Add missing closing parenthesis.

llvm-svn: 34248

llvm/docs/DeveloperPolicy.html

@@ -273,7 +273,7 @@
     <li>All feature and regression test cases must be added to the 
     <tt>llvm/test</tt> directory. The appropriate sub-directory should be 
     selected (see the <a href="TestingGuide.html">Testing Guide</a> for 
-    details.</li>
+    details).</li>
     <li>Test cases should be written in LLVM assembly language unless the
     feature or regression being tested requires another language.</li>
     <li>Test cases, especially for regressions, should be as reduced as