Remove typo from emacs-setup

Author: Christopher W. Carpenter (https://mordocai.net/gpg.html)

Diff for: ides/emacs-setup.html

@@ -33,5 +33,5 @@ <h2 id="once-you-are-set-up">Once you are set up&#8230;</h2>
 <p>When you load a Lisp file and want to engage SLIME, <code>M-x slime</code> will do the trick.</p>
 <p>Paredit is a popular Lisp editing mode that the engaged student will hear about. The author recommends getting comfortable with emacs and SLIME before using Paredit, it provides several automatic s-expression editing features that surprised him on first use.</p>
 <p>When you have configured your SLIME in a <code>fancy</code> fashion, you will find a SLIME REPL (Read Evaluate Print Loop) buffer created in your Emacs window.</p>
-<p>This provides an interactive view into Common Lisp. You can evaluate functions you are writing in the source file and immediately use them in the REPL. This provides a very fast &#8220;code and test&#8221; facility. p</p>
+<p>This provides an interactive view into Common Lisp. You can evaluate functions you are writing in the source file and immediately use them in the REPL. This provides a very fast &#8220;code and test&#8221; facility.</p>
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