diff --git a/documentation/simpleprojector.xml b/documentation/simpleprojector.xml
index 0fbebe0..2d83f6f 100644
--- a/documentation/simpleprojector.xml
+++ b/documentation/simpleprojector.xml
@@ -2,7 +2,7 @@
   <description>Projects a simple dictionary on sections.</description>
 	
   <requirements>
-	<container type="docker"> </container>
+	<container type="docker">bibliome/alvisengine</container>
   <requirements>
 	 
  <command>