Update Readme.md

Author: raducoravu

customProjectSelectionEditorVariable/Readme.md

@@ -1,7 +1,7 @@
 # Editor variable which expands to the project selected URLs
 
 The plugin adds a resolver which expands in Oxygen the **${projectSelectedResources}**
-editor variable to a string containing all file URLs separated by ";".
+editor variable to a string containing URL representations of all project files separated by ";".
 
 As an usage example, assume you have an XSLT stylesheet like this:
 
@@ -20,4 +20,4 @@ As an usage example, assume you have an XSLT stylesheet like this:
             
  In Oxygen you can create a transformation scenario of type XSLT using the XSLT location
  both for the input XML and XSLT paths. In the Parameters list you can add the parameter **projectedSelectedURLs** having the
- value **${projectSelectedResources}** and run the XSLT. 
+ value **${projectSelectedResources}** and run the XSLT.