Remove invalid multiple revisions port fix

Author: blis-mendix

content/en/docs/refguide/modeling/menus/version-control-menu/merge-dialog.md

@@ -28,9 +28,9 @@ Port fix transports the actual commit from one branch and directly applies it, i
 
 Choose the branch line from which you want to merge the fix.
 
-### One Revision/Multiple Revisions
+### Revision
 
-Choose whether you want to merge just a single commit or a whole range of commits from the maintenance branch line. In the latter case both the start and end revisions must be selected. The start revision is the revision with the lowest number and the end revision is the revision with the highest number. Note that all revisions that are contained within the specified range are merged.
+Choose a revision that you would like to port fix.
 
 ## Merge Feature Branch