Fix spelling mistake.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60250 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CodingStandards.html b/docs/CodingStandards.html
index 75d5cc8..c331bc7 100644
--- a/docs/CodingStandards.html
+++ b/docs/CodingStandards.html
@@ -238,7 +238,7 @@
   <li>System <tt>#includes</tt></li>
 </ol>
 
-<p>... and each catagory should be sorted by name.</p>
+<p>... and each category should be sorted by name.</p>
 
 <p><a name="mmheader">The "Main Module Header"</a> file applies to .cpp file
 which implement an interface defined by a .h file.  This <tt>#include</tt>