Fix typo

Rommel Martinez · Rommel Martinez · commit a6503e41df78 · 2018-03-20T06:32:29.000+08:00
diff --git a/lispguide.xml b/lispguide.xml
@@ -3038,7 +3038,7 @@ Robert Brown
   </STYLEPOINT>
   <STYLEPOINT title="Identity, Equality and Comparisons">
     <SUMMARY>
-      You should the appropriate predicates when comparing objects.
+      You should use the appropriate predicates when comparing objects.
     </SUMMARY>
     <BODY>
       <p>
