fix validator errors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66688 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/tutorial/LangImpl4.html b/docs/tutorial/LangImpl4.html
index 7e1fcfa..9a3bfd2 100644
--- a/docs/tutorial/LangImpl4.html
+++ b/docs/tutorial/LangImpl4.html
@@ -87,7 +87,7 @@
</pre>
</div>
-Constant folding, as seen above, in particular, is a very common and very
+<p>Constant folding, as seen above, in particular, is a very common and very
important optimization: so much so that many language implementors implement
constant folding support in their AST representation.</p>