diff --git a/Doc/library/idle.rst b/Doc/library/idle.rst
index 6bd18981349..5f28a99e21c 100644
--- a/Doc/library/idle.rst
+++ b/Doc/library/idle.rst
@@ -154,27 +154,56 @@ The rest of this menu lists the names of all open windows; select one to bring
 it to the foreground (deiconifying it if necessary).
 
 
-Debug menu (in the Python Shell window only)
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Debug menu
+^^^^^^^^^^
+
+* in the Python Shell window only
 
 Go to file/line
-   look around the insert point for a filename and linenumber, open the file, and
-   show the line.
+   Look around the insert point for a filename and line number, open the file,
+   and show the line.  Useful to view the source lines referenced in an
+   exception traceback.
 
-Open stack viewer
-   show the stack traceback of the last exception
+Debugger
+   Run commands in the shell under the debugger.
 
-Debugger toggle
-   Run commands in the shell under the debugger
+Stack viewer
+   Show the stack traceback of the last exception.
 
-JIT Stack viewer toggle
-   Open stack viewer on traceback
+Auto-open Stack Viewer
+   Open stack viewer on traceback.
 
 .. index::
    single: stack viewer
    single: debugger
 
 
+Edit context menu
+^^^^^^^^^^^^^^^^^
+
+* Right-click in Edit window (Control-click on OS X)
+
+Set Breakpoint
+   Sets a breakpoint.  Breakpoints are only enabled when the debugger is open.
+
+Clear Breakpoint
+   Clears the breakpoint on that line.
+
+.. index::
+   single: Set Breakpoint
+   single: Clear Breakpoint
+   single: breakpoints
+
+
+Shell context menu
+^^^^^^^^^^^^^^^^^^
+
+* Right-click in Python Shell window (Control-click on OS X)
+
+Go to file/line
+   Same as in Debug menu.
+
+
 Basic editing and navigation
 ----------------------------
 
diff --git a/Lib/idlelib/help.txt b/Lib/idlelib/help.txt
index 7bfd2cac2ac..c179555f1ac 100644
--- a/Lib/idlelib/help.txt
+++ b/Lib/idlelib/help.txt
@@ -80,7 +80,7 @@ Shell Menu (only in Shell window):
 Debug Menu (only in Shell window):
 
 	Go to File/Line   -- look around the insert point for a filename
-		             and linenumber, open the file, and show the line
+		             and line number, open the file, and show the line
 	Debugger (toggle) -- Run commands in the shell under the debugger
 	Stack Viewer      -- Show the stack traceback of the last exception
 	Auto-open Stack Viewer (toggle) -- Open stack viewer on traceback
@@ -92,7 +92,7 @@ Options Menu:
                           Startup Preferences may be set, and Additional Help
                           Sources can be specified.
 			  
-			  On MacOS X this menu is not present, use
+			  On OS X this menu is not present, use
 			  menu 'IDLE -> Preferences...' instead.
 	---
 	Code Context --	  Open a pane at the top of the edit window which
@@ -120,6 +120,15 @@ Help Menu:
 	---
 	(Additional Help Sources may be added here)
 
+Edit context menu (Right-click / Control-click in Edit window):
+
+	Set Breakpoint   -- Sets a breakpoint (when debugger open)
+	Clear Breakpoint -- Clears the breakpoint on that line
+
+Shell context menu (Right-click / Control-click in Shell window):
+
+	Go to file/line -- Same as in Debug menu
+
 
 ** TIPS **
 ==========
@@ -222,7 +231,7 @@ Python Shell window:
 
 	Alt-p retrieves previous command matching what you have typed.
 	Alt-n retrieves next.
-	      (These are Control-p, Control-n on the Mac)
+	      (These are Control-p, Control-n on OS X)
 	Return while cursor is on a previous command retrieves that command.
 	Expand word is also useful to reduce typing.