diff --git a/common/modules/principles-short.org b/common/modules/principles-short.org
index 06d9e36..67a2fb5 100644
--- a/common/modules/principles-short.org
+++ b/common/modules/principles-short.org
@@ -1,34 +1,34 @@
 #+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %10BEAMER_act(Act) %4BEAMER_col(Col) %10BEAMER_extra(Extra) %8BEAMER_opt(Opt)
 #+INCLUDE: "prelude.org" :minlevel 1
 
 * Our principles
   :PROPERTIES:
   :CUSTOM_ID: principles
   :END:
   #+latex: \begin{center}
   #+ATTR_LATEX: :width .8\linewidth
   file:SWH-as-foundation-slim.png
   #+latex: \end{center}
   #+BEAMER: \pause
 *** Open approach                                             :B_block:BMCOL:
     :PROPERTIES:
     :BEAMER_col: 0.3
     :BEAMER_env: block
     :END:
     - open source
     - transparency
 *** Unix philosophy                         :B_block:BMCOL:noexport:noexport:
     :PROPERTIES:
     :BEAMER_opt:
     :BEAMER_env: block
     :BEAMER_col: 0.3
     :END:
     - do /one/ thing
     - do it /well/
 *** In for the long haul                                      :B_block:BMCOL:
     :PROPERTIES:
     :BEAMER_col: 0.3
     :BEAMER_env: block
     :END:
     - non profit
-    - replication
+    - replication & mirrors