Fix typos found by http://github.com/lyda/misspell-check

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157886 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/AutomaticReferenceCounting.html b/docs/AutomaticReferenceCounting.html
index 1416df5..6d50cf7 100644
--- a/docs/AutomaticReferenceCounting.html
+++ b/docs/AutomaticReferenceCounting.html
@@ -1863,7 +1863,7 @@
 same function with both <tt>cf_audited_transfer</tt>
 and <tt>cf_unknown_transfer</tt>.</p>
 
-<p>A pragma is provided to faciliate the mass annotation of interfaces:</p>
+<p>A pragma is provided to facilitate the mass annotation of interfaces:</p>
 
 <pre>#pragma arc_cf_code_audited begin
 ...