Update idlelib/help.html to include idle.rst spelling fix (GH-28191)

The idle.rst fix was GH-27903 two weeks ago.
(cherry picked from commit f05ad92)

Co-authored-by: Terry Jan Reedy <[email protected]>

Author: miss-islington

Lib/idlelib/help.html

@@ -24,7 +24,7 @@
     <link rel="index" title="Index" href="../genindex.html" />
     <link rel="search" title="Search" href="../search.html" />
     <link rel="copyright" title="Copyright" href="../copyright.html" />
-    <link rel="next" title="Other Graphical User Interface Packages" href="othergui.html" />
+    <link rel="next" title="Development Tools" href="development.html" />
     <link rel="prev" title="tkinter.tix — Extension widgets for Tk" href="tkinter.tix.html" />
     <link rel="canonical" href="https://docs.python.org/3/library/idle.html" />
 
@@ -59,7 +59,7 @@ <h3>Navigation</h3>
           <a href="../py-modindex.html" title="Python Module Index"
              >modules</a> |</li>
         <li class="right" >
-          <a href="othergui.html" title="Other Graphical User Interface Packages"
+          <a href="development.html" title="Development Tools"
              accesskey="N">next</a> |</li>
         <li class="right" >
           <a href="tkinter.tix.html" title="tkinter.tix — Extension widgets for Tk"
@@ -504,7 +504,7 @@ <h3>Automatic indentation<a class="headerlink" href="#automatic-indentation" tit
 and not restarting the Shell thereafter.  This is especially useful
 after adding imports at the top of a file.  This also increases
 possible attribute completions.</p>
-<p>Completion boxes intially exclude names beginning with ‘_’ or, for
+<p>Completion boxes initially exclude names beginning with ‘_’ or, for
 modules, not included in ‘__all__’.  The hidden names can be accessed
 by typing ‘_’ after ‘.’, either before or after the box is opened.</p>
 </div>
@@ -937,8 +937,8 @@ <h4>Previous topic</h4>
   <p class="topless"><a href="tkinter.tix.html"
                         title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">tkinter.tix</span></code> — Extension widgets for Tk</a></p>
   <h4>Next topic</h4>
-  <p class="topless"><a href="othergui.html"
-                        title="next chapter">Other Graphical User Interface Packages</a></p>
+  <p class="topless"><a href="development.html"
+                        title="next chapter">Development Tools</a></p>
   <div role="note" aria-label="source link">
     <h3>This Page</h3>
     <ul class="this-page-menu">
@@ -964,7 +964,7 @@ <h3>Navigation</h3>
           <a href="../py-modindex.html" title="Python Module Index"
              >modules</a> |</li>
         <li class="right" >
-          <a href="othergui.html" title="Other Graphical User Interface Packages"
+          <a href="development.html" title="Development Tools"
              >next</a> |</li>
         <li class="right" >
           <a href="tkinter.tix.html" title="tkinter.tix — Extension widgets for Tk"
@@ -1002,19 +1002,13 @@ <h3>Navigation</h3>
     <div class="footer">
     &copy; <a href="../copyright.html">Copyright</a> 2001-2021, Python Software Foundation.
     <br />
-    This page is licensed under the Python Software Foundation License Version 2.
-    <br />
-    Examples, recipes, and other code in the documentation are additionally licensed under the Zero Clause BSD License.
-    <br />
-    See <a href="">History and License</a> for more information.
-    <br /><br />
 
     The Python Software Foundation is a non-profit corporation.
 <a href="https://www.python.org/psf/donations/">Please donate.</a>
 <br />
     <br />
 
-    Last updated on May 11, 2021.
+    Last updated on Sep 06, 2021.
     <a href="https://docs.python.org/3/bugs.html">Found a bug</a>?
     <br />