diff --git a/doc/source/development_auth.rst b/doc/source/development_auth.rst
index bb00ca8fc7..92b7c5aafa 100644
--- a/doc/source/development_auth.rst
+++ b/doc/source/development_auth.rst
@@ -487,7 +487,8 @@ folks a start on their own code if they want to use repoze.what::
 Allowing CORS with Auth
 -----------------------
 
-Cross Origin RequestS require that the auth system allow the OPTIONS method to 
-pass through without a token.  The preflight request will make an OPTIONS call 
-against the object or container and will not work if the auth system stops it.
+Cross Origin Resource Sharing (CORS) require that the auth system allow the
+OPTIONS method to pass through without a token.  The preflight request will
+make an OPTIONS call against the object or container and will not work if
+the auth system stops it.
 See TempAuth for an example of how OPTIONS requests are handled.