fix a grammar ambiguity noticed by Duncan


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34151 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CodingStandards.html b/docs/CodingStandards.html
index 8f210aa..fd27985 100644
--- a/docs/CodingStandards.html
+++ b/docs/CodingStandards.html
@@ -456,7 +456,8 @@
 <tt>#include</tt>'ing speeds up compilation.</p>
 
 <p>It is easy to try to go too overboard on this recommendation, however.  You
-<b>must</b> include all of the header files that you are using, either directly
+<b>must</b> include all of the header files that you are using -- you can 
+include them either directly
 or indirectly (through another header file).  To make sure that you don't
 accidently forget to include a header file in your module header, make sure to
 include your module header <b>first</b> in the implementation file (as mentioned