--- a/Tools__ViewTreeApplication.st	Fri Nov 01 05:48:42 2019 +0100
+++ b/Tools__ViewTreeApplication.st	Fri Nov 01 05:48:59 2019 +0100
@@ -2469,6 +2469,8 @@
 !
 
 openDocumentation
+    "Called when <F1> is pressed"
+
     HTMLDocumentView openFullOnDocumentationFile:'tools/misc/TOP.html#VIEWTREEINSPECTOR'
 !