diff --git a/docs/specs/protocol-reference.rst b/docs/specs/protocol-reference.rst
--- a/docs/specs/protocol-reference.rst
+++ b/docs/specs/protocol-reference.rst
@@ -210,7 +210,7 @@
 We also highly recommend their CodeMeta equivalent, and any other relevant
 metadata, but this is not enforced.
 
-.. _metatadata-only-deposit
+.. _metatadata-only-deposit:
 
 Metadata-only deposit
 ---------------------
@@ -271,6 +271,16 @@
 :ref:`metadata deposit specification <spec-metadata-deposit>`
 
 
+Schema
+------
+
+Here is an XML schema to summarize the syntax described in this document:
+
+.. literalinclude:: swh.xsd
+   :language: xml
+
+
+
 .. _SWORDv2: http://swordapp.github.io/SWORDv2-Profile/SWORDProfile.html
 .. _AtomPub: https://tools.ietf.org/html/rfc5023
 .. _DublinCore: https://www.dublincore.org/
diff --git a/docs/specs/swh.xsd b/docs/specs/swh.xsd
--- a/docs/specs/swh.xsd
+++ b/docs/specs/swh.xsd
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
             targetNamespace="https://www.softwareheritage.org/schema/2018/deposit"
             xmlns:swh="https://www.softwareheritage.org/schema/2018/deposit"
@@ -45,7 +45,7 @@
   <!-- references an origin by URL -->
   <xsd:element name="origin">
     <xsd:complexType>
-    <xsd:attribute type="xsd:string" name="url"/>
+      <xsd:attribute type="xsd:string" name="url"/>
     </xsd:complexType>
   </xsd:element>
 </xsd:schema>