2 files changed, 6 insertions, 0 deletions
diff --git a/ext/tk/sample/demos-en/dialog1.rb b/ext/tk/sample/demos-en/dialog1.rb
index d2b34e6b46..374fedc985 100644
--- a/ext/tk/sample/demos-en/dialog1.rb
+++ b/ext/tk/sample/demos-en/dialog1.rb
@@ -2,6 +2,9 @@
 # a dialog box with a local grab (called by 'widget')
 #
 class TkDialog_Demo1 < TkDialog
+  ###############
+  private
+  ###############
   def title
     "Dialog with local grab"
   end
diff --git a/ext/tk/sample/demos-en/dialog2.rb b/ext/tk/sample/demos-en/dialog2.rb
index c441dda62f..21bf25c88d 100644
--- a/ext/tk/sample/demos-en/dialog2.rb
+++ b/ext/tk/sample/demos-en/dialog2.rb
@@ -2,6 +2,9 @@
 # a dialog box with a global grab (called by 'widget')
 #
 class TkDialog_Demo2 < TkDialog
+  ###############
+  private
+  ###############
   def title
     "Dialog with global grab"
   end