diff --git includes/theme.inc includes/theme.inc
index c8857f6..213906e 100644
--- includes/theme.inc
+++ includes/theme.inc
@@ -1195,6 +1195,8 @@ function theme_links($links, $attributes = array('class' => 'links')) {
  *   Associative array of attributes to be placed in the img tag.
  * @param $getsize
  *   If set to TRUE, the image's dimension are fetched and added as width/height attributes.
+ *   If $path is a full URL, this option will be ignored and the image tag will not have
+ *   width or height attributes applied unless they are supplied in $attributes.
  * @return
  *   A string containing the image tag.
  */