Fix type-o.

llvm-svn: 168715
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 6852b553146ae9167db3b6a2ab5750474a8f17d7
diff --git a/www/index.html b/www/index.html
index f70493c..5d6fa27 100644
--- a/www/index.html
+++ b/www/index.html
@@ -115,7 +115,7 @@
   <h2 id="dir-structure">Current Status</h2>
   <!--=====================================================================-->
 
-   <p>libc++ is a 100% complete C++11 implemenation on Apple's OS X. </p>
+   <p>libc++ is a 100% complete C++11 implementation on Apple's OS X. </p>
 
    <p>
    Ports to other platforms are underway. Here are recent test