www: Grammar, etc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115914 91177308-0d34-0410-b5e6-96231b3b80d8

www/related.html

@@ -13,11 +13,11 @@
   <div id="content">
     <h1>Clang Related Projects</h1>
     
-    <p>As Clang matures, more and more projects are being built on top the Clang
+    <p>As Clang matures, more and more projects are being built atop the Clang
       libraries and other open source projects are starting their own Clang
       related subprojects, like building their source code with Clang or writing
-      custom analysis tools for their code using Clang. This page tracks some of
-      those Clang related projects.</p>
+      custom analysis tools using Clang. This page tracks some of those Clang
+      related projects.</p>
 
     <p>Please email cfe-dev if you have a Clang related project you would like
       added to this list.</p>