diff --git a/contrib/random_image/main.php b/contrib/random_image/main.php
index e15e4b17..7ea5d0db 100644
--- a/contrib/random_image/main.php
+++ b/contrib/random_image/main.php
@@ -16,7 +16,7 @@
*
Adding a slash and some search terms will get a random image
* from those results. This can be useful if you want a specific size
* of random image, or from a category. You could link to
- * /random_image/download/size:1024x768+cute
+ * /random_image/download/size=1024x768+cute
*/
class RandomImage extends SimpleExtension {