diff --git a/README.md b/README.md
index db62c12..dccc798 100644
--- a/README.md
+++ b/README.md
@@ -1,317 +1,317 @@
 #concat
 
 ####Table of Contents
 
 1. [Overview](#overview)
 2. [Module Description - What the module does and why it is useful](#module-description)
 3. [Setup - The basics of getting started with concat](#setup)
     * [What concat affects](#what-concat-affects)
     * [Beginning with concat](#beginning-with-concat)
 4. [Usage - Configuration options and additional functionality](#usage)
 5. [Reference - An under-the-hood peek at what the module is doing and how](#reference)
     * [Defines](#defines)
     * [Parameters](#parameters)
     * [Removed functionality](#removed-functionality)
 6. [Limitations - OS compatibility, etc.](#limitations)
 7. [Development - Guide for contributing to the module](#development)
 
 ##Overview
 
 The concat module lets you construct files from multiple ordered fragments of text.
 
 ##Module Description
 
 The concat module lets you gather `concat::fragment` resources from your other modules and order them into a coherent file through a single `concat` resource.
 
 ###Beginning with concat
 
 To start using concat you need to create:
 
 * A concat{} resource for the final file.
 * One or more concat::fragment{}s.
 
 A minimal example might be:
 
 ~~~
 concat { '/tmp/file':
   ensure => present,
 }
 
 concat::fragment { 'tmpfile':
   target  => '/tmp/file',
   content => 'test contents',
   order   => '01'
 }
 ~~~
 
 ##Usage
 
 ###Maintain a list of the major modules on a node
 
 To maintain an motd file that lists the modules on one of your nodes, first create a class to frame up the file:
 
 ~~~
 class motd {
   $motd = '/etc/motd'
 
   concat { $motd:
     owner => 'root',
     group => 'root',
     mode  => '0644'
   }
 
   concat::fragment{ 'motd_header':
     target  => $motd,
     content => "\nPuppet modules on this server:\n\n",
     order   => '01'
   }
 
   # let local users add to the motd by creating a file called
   # /etc/motd.local
   concat::fragment{ 'motd_local':
     target => $motd,
     source => '/etc/motd.local',
     order  => '15'
   }
 }
 
 # let other modules register themselves in the motd
 define motd::register($content="", $order='10') {
   if $content == "" {
     $body = $name
   } else {
     $body = $content
   }
 
   concat::fragment{ "motd_fragment_$name":
     target  => '/etc/motd',
     order   => $order,
     content => "    -- $body\n"
   }
 }
 ~~~
 
 Then, in the declarations for each module on the node, add `motd::register{ 'Apache': }` to register the module in the motd.
 
 ~~~
 class apache {
   include apache::install, apache::config, apache::service
 
   motd::register{ 'Apache': }
 }
 ~~~
 
 These two steps populate the /etc/motd file with a list of the installed and registered modules, which stays updated even if you just remove the registered modules' `include` lines. System administrators can append text to the list by writing to /etc/motd.local.
 
 When you're finished, the motd file will look something like this:
 
 ~~~
   Puppet modules on this server:
 
     -- Apache
     -- MySQL
 
   <contents of /etc/motd.local>
 ~~~
 
 ##Reference
 
 ###Defines
 * `concat`: Manages a file, compiled from one or more text fragments.
 * `concat::fragment`: Manages a fragment of text to be compiled into a file.
 
 ###Types
 * `concat_file`: Generates a file with content from fragments sharing a common unique tag.
 * `concat_fragment`: Manages the fragment.
 
 ###Parameters
 
 ####Define: `concat`
 
 All the parameters listed below are optional.
 
 #####`backup`
 
 Specifies whether (and how) to back up the destination file before overwriting it. Your value gets passed on to Puppet's [native `file` resource](https://docs.puppetlabs.com/references/latest/type.html#file-attribute-backup) for execution. Valid options: 'true', 'false', or a string representing either a target filebucket or a filename extension beginning with ".". Default value: 'puppet'.
 
 #####`ensure`
 
 Specifies whether the destination file should exist. Setting to 'absent' tells Puppet to delete the destination file if it exists, and negates the effect of any other parameters. Valid options: 'present' and 'absent'. Default value: 'present'.
 
 #####`ensure_newline`
 
 Specifies whether to add a line break at the end of each fragment that doesn't already end in one. Valid options: 'true' and 'false'. Default value: 'false'.
 
 #####`force`
 
 Deprecated as of concat v2.0.0. Has no effect.
 
 #####`group`
 
 Specifies a permissions group for the destination file. Valid options: a string containing a group name. Default value: undefined.
 
 #####`mode`
 
 Specifies the permissions mode of the destination file. Valid options: a string containing a permission mode value in octal notation. Default value: '0644'.
 
 #####`order`
 
 Specifies a method for sorting your fragments by name within the destination file. Valid options: 'alpha' (e.g., '1, 10, 2') or 'numeric' (e.g., '1, 2, 10'). Default value: 'alpha'.
 
 You can override this setting for individual fragments by adjusting the `order` parameter in their `concat::fragment` declarations.
 
 #####`owner`
 
 Specifies the owner of the destination file. Valid options: a string containing a username. Default value: undefined.
 
 #####`path`
 
 Specifies a destination file for the combined fragments. Valid options: a string containing an absolute path. Default value: the title of your declared resource.
 
 #####`replace`
 
 Specifies whether to overwrite the destination file if it already exists. Valid options: 'true' and 'false'. Default value: 'true'.
 
 #####`validate_cmd`
 
 Specifies a validation command to apply to the destination file. Requires Puppet version 3.5 or newer. Valid options: a string to be passed to a file resource. Default value: undefined.
 
 #####`warn`
 
 Specifies whether to add a header message at the top of the destination file. Valid options: the booleans 'true' and 'false', or a string to serve as the header. Default value: 'false'.
 
 If you set 'warn' to 'true', `concat` adds the following message:
 
 ~~~
 # This file is managed by Puppet. DO NOT EDIT.
 ~~~
 
 ####Define: `concat::fragment`
 
 Except where noted, all the below parameters are optional.
 
 #####`content`
 
 Supplies the content of the fragment. **Note**: You must supply either a `content` parameter or a `source` parameter. Valid options: a string. Default value: undef.
 
 #####`ensure`
 
 Deprecated as of concat v2.0.0. Has no effect.
 
 #####`order`
 
 Reorders your fragments within the destination file. Fragments that share the same order number are ordered by name. Valid options: a string (recommended) or an integer. Default value: '10'.
 
 #####`source`
 
 Specifies a file to read into the content of the fragment. **Note**: You must supply either a `content` parameter or a `source` parameter. Valid options: a string or an array, containing one or more Puppet URLs. Default value: undefined.
 
 #####`target`
 
-*Required.* Specifies the destination file of the fragment. Valid options: a string containing an absolute path.
+*Required.* Specifies the destination file of the fragment. Valid options: a string containing the title of the parent `concat` resource.
 
 
 ####Type: `concat_file`
 
 #####`backup`
 
 Specifies whether (and how) to back up the destination file before overwriting it. Your value gets passed on to Puppet's [native `file` resource](https://docs.puppetlabs.com/references/latest/type.html#file-attribute-backup) for execution. Valid options: 'true', 'false', or a string representing either a target filebucket or a filename extension beginning with ".". Default value: 'puppet'.
 
 #####`ensure`
 
 Specifies whether the destination file should exist. Setting to 'absent' tells Puppet to delete the destination file if it exists, and negates the effect of any other parameters. Valid options: 'present' and 'absent'. Default value: 'present'.
 
 #####`ensure_newline`
 
 Specifies whether to add a line break at the end of each fragment that doesn't already end in one. Valid options: 'true' and 'false'. Default value: 'false'.
 
 #####`group`
 
 Specifies a permissions group for the destination file. Valid options: a string containing a group name. Default value: undefined.
 
 #####`mode`
 
 Specifies the permissions mode of the destination file. Valid options: a string containing a permission mode value in octal notation. Default value: '0644'.
 
 #####`order`
 
 Specifies a method for sorting your fragments by name within the destination file. Valid options: 'alpha' (e.g., '1, 10, 2') or 'numeric' (e.g., '1, 2, 10'). Default value: 'numeric'.
 
 You can override this setting for individual fragments by adjusting the `order` parameter in their `concat::fragment` declarations.
 
 #####`owner`
 
 Specifies the owner of the destination file. Valid options: a string containing a username. Default value: undefined.
 
 #####`path`
 
 Specifies a destination file for the combined fragments. Valid options: a string containing an absolute path. Default value: the title of your declared resource.
 
 #####`replace`
 
 Specifies whether to overwrite the destination file if it already exists. Valid options: 'true' and 'false'. Default value: 'true'.
 
 ####`tag`
 
 *Required.* Specifies a unique tag reference to collect all concat_fragments with the same tag.
 
 #####`validate_cmd`
 
 Specifies a validation command to apply to the destination file. Requires Puppet version 3.5 or newer. Valid options: a string to be passed to a file resource. Default value: undefined.
 
 ####Type: `concat_fragment`
 
 #####`content`
 
 Supplies the content of the fragment. **Note**: You must supply either a `content` parameter or a `source` parameter. Valid options: a string. Default value: undef.
 
 #####`order`
 
 Reorders your fragments within the destination file. Fragments that share the same order number are ordered by name. Valid options: a string (recommended) or an integer. Default value: '10'.
 
 #####`source`
 
 Specifies a file to read into the content of the fragment. **Note**: You must supply either a `content` parameter or a `source` parameter. Valid options: a string or an array, containing one or more Puppet URLs. Default value: undefined.
 
 #####`tag`
 
 *Required.* Specifies a unique tag to be used by concat_file to reference and collect content.
 
 #####`target`
 
-*Required.* Specifies the destination file of the fragment. Valid options: a string containing an absolute path.
+*Required.* Specifies the destination file of the fragment. Valid options: a string containing the title of the parent `concat_file` resource.
 
 ###Removed functionality
 
 The following functionality existed in previous versions of the concat module, but was removed in version 2.0.0:
 
 Parameters removed from `concat::fragment`:
 * `gnu`
 * `backup`
 * `group`
 * `mode`
 * `owner`
 
 The `concat::setup` class has also been removed.
 
 Prior to concat version 2.0.0, if you set the `warn` parameter to a string value of 'true', 'false', 'yes', 'no', 'on', or 'off', the module translated the string to the corresponding boolean value. In concat version 2.0.0 and newer, the `warn_header` parameter treats those values the same as other strings and uses them as the content of your header message. To avoid that, pass the 'true' and 'false' values as booleans instead of strings.
 
 ##Limitations
 
 This module has been tested on [all PE-supported platforms](https://forge.puppetlabs.com/supported#compat-matrix), and no issues have been identified.
 
 ##Development
 
 Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. We can't access the huge number of platforms and myriad of hardware, software, and deployment configurations that Puppet is intended to serve.
 
 We want to keep it as easy as possible to contribute changes so that our modules work in your environment. There are a few guidelines that we need contributors to follow so that we can have a chance of keeping on top of things.
 
 For more information, see our [module contribution guide.](https://docs.puppetlabs.com/forge/contributing.html)
 
 ###Contributors
 
 Richard Pijnenburg ([@Richardp82](http://twitter.com/richardp82))
 
 Joshua Hoblitt ([@jhoblitt](http://twitter.com/jhoblitt))
 
 [More contributors.](https://github.com/puppetlabs/puppetlabs-concat/graphs/contributors)
diff --git a/lib/puppet/type/concat_fragment.rb b/lib/puppet/type/concat_fragment.rb
index 3a1e722..4567f2f 100644
--- a/lib/puppet/type/concat_fragment.rb
+++ b/lib/puppet/type/concat_fragment.rb
@@ -1,48 +1,64 @@
 Puppet::Type.newtype(:concat_fragment) do
   @doc = "Create a concat fragment to be used by concat.
     the `concat_fragment` type creates a file fragment to be collected by concat based on the tag.
     The example is based on exported resources.
 
     Example:
     @@concat_fragment { \"uniqe_name_${::fqdn}\":
       tag => 'unique_name',
       order => 10, # Optional. Default to 10
       content => 'some content' # OR
       content => template('template.erb') # OR
       source  => 'puppet:///path/to/file'
     }
   "
 
   newparam(:name, :namevar => true) do
     desc "Unique name"
   end
 
+  newparam(:target) do
+    desc "Target"
+  end
+
   newparam(:content) do
     desc "Content"
   end
 
   newparam(:source) do
     desc "Source"
   end
 
   newparam(:order) do
     desc "Order"
     defaultto '10'
     validate do |val|
       fail Puppet::ParseError, '$order is not a string or integer.' if !(val.is_a? String or val.is_a? Integer)
       fail Puppet::ParseError, "Order cannot contain '/', ':', or '\n'." if val.to_s =~ /[:\n\/]/
     end
   end
 
   newparam(:tag) do
     desc "Tag name to be used by concat to collect all concat_fragments by tag name"
   end
 
+  autorequire(:file) do
+    unless catalog.resource("Concat_file[#{self[:target]}]")
+      warning "Target Concat_file[#{self[:target]}] not found in the catalog"
+    end
+  end
+
   validate do
+    # Check if target is set
+    fail Puppet::ParseError, "Target not set" if self[:target].nil?
+
+    # Check if tag is set
+    fail Puppet::ParseError, "Tag not set" if self[:tag].nil?
+
     # Check if either source or content is set. raise error if none is set
     fail Puppet::ParseError, "Set either 'source' or 'content'" if self[:source].nil? && self[:content].nil?
 
     # Check if both are set, if so rais error
     fail Puppet::ParseError, "Can't use 'source' and 'content' at the same time" if !self[:source].nil? && !self[:content].nil?
   end
 end
diff --git a/manifests/fragment.pp b/manifests/fragment.pp
index 9cfae66..cc33643 100644
--- a/manifests/fragment.pp
+++ b/manifests/fragment.pp
@@ -1,55 +1,56 @@
 # == Define: concat::fragment
 #
 # Creates a concat_fragment in the catalogue
 #
 # === Options:
 #
 # [*target*]
 #   The file that these fragments belong to
 # [*content*]
 #   If present puts the content into the file
 # [*source*]
 #   If content was not specified, use the source
 # [*order*]
 #   By default all files gets a 10_ prefix in the directory you can set it to
 #   anything else using this to influence the order of the content in the file
 #
 define concat::fragment(
     $target,
     $ensure  = undef,
     $content = undef,
     $source  = undef,
     $order   = '10',
 ) {
   validate_string($target)
 
   if $ensure != undef {
     warning('The $ensure parameter to concat::fragment is deprecated and has no effect.')
   }
 
   validate_string($content)
   if !(is_string($source) or is_array($source)) {
     fail('$source is not a string or an Array.')
   }
 
   if !(is_string($order) or is_integer($order)) {
     fail('$order is not a string or integer.')
   } elsif (is_string($order) and $order =~ /[:\n\/]/) {
     fail("Order cannot contain '/', ':', or '\n'.")
   }
 
   if ! ($content or $source) {
     crit('No content, source or symlink specified')
   } elsif ($content and $source) {
     fail("Can't use 'source' and 'content' at the same time")
   }
 
   $safe_target_name = regsubst($target, '[/:\n\s]', '_', 'GM')
 
   concat_fragment { $name:
+    target  => $target,
     tag     => $safe_target_name,
     order   => $order,
     content => $content,
     source  => $source,
   }
 }
diff --git a/manifests/init.pp b/manifests/init.pp
index 5bf53fc..6e97a95 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -1,124 +1,125 @@
 # == Define: concat
 #
 # Sets up so that you can use fragments to build a final config file,
 #
 # === Options:
 #
 # [*ensure*]
 #   Present/Absent
 # [*path*]
 #   The path to the final file. Use this in case you want to differentiate
 #   between the name of a resource and the file path.  Note: Use the name you
 #   provided in the target of your fragments.
 # [*owner*]
 #   Who will own the file
 # [*group*]
 #   Who will own the file
 # [*mode*]
 #   The mode of the final file
 # [*warn*]
 #   Adds a normal shell style comment top of the file indicating that it is
 #   built by puppet
 # [*backup*]
 #   Controls the filebucketing behavior of the final file and see File type
 #   reference for its use.  Defaults to 'puppet'
 # [*replace*]
 #   Whether to replace a file that already exists on the local system
 # [*order*]
 #   Select whether to order associated fragments by 'alpha' or 'numeric'.
 #   Defaults to 'alpha'.
 # [*ensure_newline*]
 #   Specifies whether to ensure there's a new line at the end of each fragment.
 #   Valid options: 'true' and 'false'. Default value: 'false'.
 # [*validate_cmd*]
 #   Specifies a validation command to apply to the destination file.
 #   Requires Puppet version 3.5 or newer. Valid options: a string to be passed
 #   to a file resource. Default value: undefined.
 #
 
 define concat(
   $ensure         = 'present',
   $path           = $name,
   $owner          = undef,
   $group          = undef,
   $mode           = '0644',
   $warn           = false,
   $force          = undef,
   $backup         = 'puppet',
   $replace        = true,
   $order          = 'alpha',
   $ensure_newline = false,
   $validate_cmd   = undef,
 ) {
   validate_re($ensure, '^present$|^absent$')
   validate_absolute_path($path)
   validate_string($owner)
   validate_string($group)
   validate_string($mode)
   if ! (is_string($warn) or $warn == true or $warn == false) {
     fail('$warn is not a string or boolean')
   }
   if ! is_bool($backup) and ! is_string($backup) {
     fail('$backup must be string or bool!')
   }
   validate_bool($replace)
   validate_re($order, '^alpha$|^numeric$')
   validate_bool($ensure_newline)
 
   if $validate_cmd and ! is_string($validate_cmd) {
     fail('$validate_cmd must be a string')
   }
 
   if $force != undef {
     warning('The $force parameter to concat is deprecated and has no effect.')
   }
 
   $safe_name            = regsubst($name, '[/:\n\s]', '_', 'G')
   $default_warn_message = "# This file is managed by Puppet. DO NOT EDIT.\n"
 
   case $warn {
     true: {
       $warn_message = $default_warn_message
       $_append_header = true
     }
     false: {
       $warn_message = ''
       $_append_header = false
     }
     default: {
       $warn_message = $warn
       $_append_header = true
     }
   }
 
   if $ensure == 'present' {
     concat_file { $name:
       tag            => $safe_name,
       path           => $path,
       owner          => $owner,
       group          => $group,
       mode           => $mode,
       replace        => $replace,
       backup         => $backup,
       order          => $order,
       ensure_newline => $ensure_newline,
       validate_cmd   => $validate_cmd,
     }
 
     if $_append_header {
       concat_fragment { "${name}_header":
+        target  => $name,
         tag     => $safe_name,
         content => $warn_message,
         order   => '0',
       }
     }
   } else {
     concat_file { $name:
       ensure => $ensure,
       tag    => $safe_name,
       path   => $path,
       backup => $backup,
     }
   }
 }
 
diff --git a/spec/acceptance/deprecation_warnings_spec.rb b/spec/acceptance/warnings_spec.rb
similarity index 68%
rename from spec/acceptance/deprecation_warnings_spec.rb
rename to spec/acceptance/warnings_spec.rb
index 8a689a7..89b3c3c 100644
--- a/spec/acceptance/deprecation_warnings_spec.rb
+++ b/spec/acceptance/warnings_spec.rb
@@ -1,44 +1,61 @@
 require 'spec_helper_acceptance'
 
-describe 'deprecation warnings' do
+describe 'warnings' do
   basedir = default.tmpdir('concat')
 
   shared_examples 'has_warning' do |pp, w|
     it 'applies the manifest twice with a stderr regex' do
       expect(apply_manifest(pp, :catch_failures => true).stderr).to match(/#{Regexp.escape(w)}/m)
       expect(apply_manifest(pp, :catch_changes => true).stderr).to match(/#{Regexp.escape(w)}/m)
     end
   end
 
-  context 'concat force parameter' do
+  context 'concat force parameter deprecation' do
     pp = <<-EOS
       concat { '#{basedir}/file':
         force => false,
       }
       concat::fragment { 'foo':
         target  => '#{basedir}/file',
         content => 'bar',
       }
     EOS
     w = 'The $force parameter to concat is deprecated and has no effect.'
 
     it_behaves_like 'has_warning', pp, w
   end
 
-  context 'concat::fragment ensure parameter' do
+  context 'concat::fragment ensure parameter deprecation' do
     context 'target file exists' do
     pp = <<-EOS
       concat { '#{basedir}/file':
       }
       concat::fragment { 'foo':
         target  => '#{basedir}/file',
         ensure  => false,
         content => 'bar',
       }
     EOS
     w = 'The $ensure parameter to concat::fragment is deprecated and has no effect.'
 
     it_behaves_like 'has_warning', pp, w
     end
   end
+
+  context 'concat::fragment target not found' do
+    context 'target not found' do
+    pp = <<-EOS
+      concat { 'file':
+        path => '#{basedir}/file',
+      }
+      concat::fragment { 'foo':
+        target  => '#{basedir}/file',
+        content => 'bar',
+      }
+    EOS
+    w = 'not found in the catalog'
+
+    it_behaves_like 'has_warning', pp, w
+    end
+  end
 end