Fix a typo

Rommel M. Martinez · shicks · commit 15afe031f148 · 2017-09-05T15:22:44.000-07:00
diff --git a/lispguide.xml b/lispguide.xml
@@ -3146,7 +3146,7 @@ Robert Brown
     </SUMMARY>
     <BODY>
       <p>
-        You should simpler forms such as
+        You should use simpler forms such as
         <code>DOLIST</code> or <code>DOTIMES</code>
         instead of <code>LOOP</code>
         in simple cases when you're not going to use any
