Mis à jour du readme.

mindmapping_to_opale/README.md

@@ -83,11 +83,11 @@ You can use special rules in Freemind to personnalize your Scenari Module :
 
 ## Known bugs
 
-* Current xsl cant handle anything else than a hierarchy of nodes. It should be investigated in order to be able to use other types of children, in order to work with native mindmap formatting, as bold or italic. 
+* Current xsl cant handle anything else than a hierarchy of nodes named "nodes". It should be investigated in order to be able to use other types of children, in order to work with native mindmap formatting, as bold or italic. 
 
 ## TODO
 
-* Develop new hashtags to create other type of Opale contents (such as QCM, self-evaluation etc.)
+* Develop new hashtags to create other type of Opale contents (such as self-evaluation, exercices other than QCM or QCU,  etc.)
 
 ## Technicals notes