diff --git a/doc/source/topics/deployment.rst b/doc/source/topics/deployment.rst
index 2cedb2361d..9a57afdabd 100644
--- a/doc/source/topics/deployment.rst
+++ b/doc/source/topics/deployment.rst
@@ -75,10 +75,15 @@ and disrupting services. Deployments using Apache2 can use the
 
 Uploads to the Glance image store service tend to be particularly large - in
 the order of hundreds of megabytes to multiple gigabytes. Deployments are able
-to disable the ability to upload images through Horizon by setting
+to disable local image uploads through Horizon by setting
 ``HORIZON_IMAGES_ALLOW_UPLOAD`` to ``False`` in your ``local_settings.py``
 file.
 
+.. note::
+    This will not disable image creation altogether, as this setting does not
+    affect images created by specifying an image location (URL) as the image source.
+
+
  .. _LimitRequestBody directive: http://httpd.apache.org/docs/2.2/mod/core.html#limitrequestbody
 
 Session Storage