diff --git a/editions/tw5.com/tiddlers/dev/Working with the TiddlyWiki5 repository.tid b/editions/tw5.com/tiddlers/dev/Working with the TiddlyWiki5 repository.tid
index 535cb25753..7a38662480 100644
--- a/editions/tw5.com/tiddlers/dev/Working with the TiddlyWiki5 repository.tid	
+++ b/editions/tw5.com/tiddlers/dev/Working with the TiddlyWiki5 repository.tid	
@@ -4,6 +4,12 @@ tags: dev howto
 title: Working with the TiddlyWiki5 repository
 type: text/vnd.tiddlywiki
 
+! Introduction
+
+Mario Pietsch has created a short video tutorial on working with the TiddlyWiki5 ~GitHub repository.
+
+<iframe width="560" height="315" src="http://www.youtube.com/embed/6ElUruH92tc" frameborder="0" allowfullscreen></iframe>
+
 ! Setting Up
 
 If you plan on working with the TiddlyWiki5 source code then follow these steps:
diff --git a/editions/tw5.com/tiddlers/howtos/Improving TiddlyWiki Documentation.tid b/editions/tw5.com/tiddlers/howtos/Improving TiddlyWiki Documentation.tid
index c316b8a091..89976fb228 100644
--- a/editions/tw5.com/tiddlers/howtos/Improving TiddlyWiki Documentation.tid	
+++ b/editions/tw5.com/tiddlers/howtos/Improving TiddlyWiki Documentation.tid	
@@ -19,4 +19,6 @@ Anyone can submit improvements to the TiddlyWiki documentation that appears on h
 
 [[Jermolene|https://github.com/Jermolene]] or one of the other core developers will then have the opportunity to merge your pull request so that it is incorporated into the next build of http://tiddlywiki.com.
 
-There will be a short video soon!
+Mario Pietsch has created this short video tutorial:
+
+<iframe width="560" height="315" src="http://www.youtube.com/embed/L4zTkMYcri8" frameborder="0" allowfullscreen></iframe>