diff --git a/applications/test/dictionary/testSlashDict b/applications/test/dictionary/testSlashDict
index dbe5b26264..8963a38c00 100644
--- a/applications/test/dictionary/testSlashDict
+++ b/applications/test/dictionary/testSlashDict
@@ -13,6 +13,8 @@ FoamFile
     object      testSlashDict;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// To expand this dictionary run
+//     foamDictionary testSlashDict
 
 #inputSyntax slash;
 
diff --git a/applications/test/dictionary/testSlashDict2 b/applications/test/dictionary/testSlashDict2
index e04c17cb98..5f0d312019 100644
--- a/applications/test/dictionary/testSlashDict2
+++ b/applications/test/dictionary/testSlashDict2
@@ -13,6 +13,7 @@ FoamFile
     object      testSlashDict;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+// This dictionary is read by entries in testSlashDict
 
 #inputSyntax slash;