Fix a typo in a tag.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98713 91177308-0d34-0410-b5e6-96231b3b80d8

www/cxx_compatibility.html

@@ -56,7 +56,7 @@ are some ways in which you can fix it:</p>
 <li>use <tt>std::vector</tt> or some other suitable container type;
     or</li>
 <li>allocate the array on the heap instead using <tt>new Type[]</tt> -
-    just remember to <tt>delete[]</t> it.</li>
+    just remember to <tt>delete[]</tt> it.</li>
 </ol>
 
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