Fix two typos in the doc

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160763 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/AutomaticReferenceCounting.html b/docs/AutomaticReferenceCounting.html
index 6d50cf7..3f1ccaf 100644
--- a/docs/AutomaticReferenceCounting.html
+++ b/docs/AutomaticReferenceCounting.html
@@ -313,7 +313,7 @@
 <ul>
 <li>The type system must reliably identify which objects are to be
 managed.  An <tt>int*</tt> might be a pointer to a <tt>malloc</tt>'ed
-array, or it might be a interior pointer to such an array, or it might
+array, or it might be an interior pointer to such an array, or it might
 point to some field or local variable.  In contrast, values of the
 retainable object pointer types are never interior.</li>
 <li>The type system must reliably indicate how to