diff --git a/en/mapfile/template.txt b/en/mapfile/template.txt
index 972b18ef1f1..0da334b7c4f 100644
--- a/en/mapfile/template.txt
+++ b/en/mapfile/template.txt
@@ -183,7 +183,7 @@ File Reference
 
 [img]
      Path (relative to document root) of the new image, just the image
-     name if IMAGE_URL is not set in the mapfile.
+     name if IMAGEURL is not set in the mapfile.
 
      In a map interface template, [img] is substituted with the path
      to the map image.  In a query results template, it is substituted