Issue #15308: Add 'interrupt execution' (^C) to Shell menu.
Patch by Roger Serwy, updated by Bayard Randel.
diff --git a/Lib/idlelib/help.html b/Lib/idlelib/help.html
index efd1623..1c4598b 100644
--- a/Lib/idlelib/help.html
+++ b/Lib/idlelib/help.html
@@ -238,6 +238,8 @@
 <dd>Scroll the shell window to the last Shell restart.</dd>
 <dt>Restart Shell</dt>
 <dd>Restart the shell to clean the environment.</dd>
+<dt>Interrupt Execution</dt>
+<dd>Stop a running program.</dd>
 </dl>
 </div>
 <div class="section" id="debug-menu-shell-window-only">
@@ -703,7 +705,7 @@
     The Python Software Foundation is a non-profit corporation.
     <a href="https://www.python.org/psf/donations/">Please donate.</a>
     <br />
-    Last updated on Aug 30, 2016.
+    Last updated on Sep 12, 2016.
     <a href="../bugs.html">Found a bug</a>?
     <br />
     Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.3.6.