diff --git a/language/predefined/variables/post.xml b/language/predefined/variables/post.xml
index eeb60ce1b3..092020f2ec 100644
--- a/language/predefined/variables/post.xml
+++ b/language/predefined/variables/post.xml
@@ -12,7 +12,8 @@
&reftitle.description;
An associative array of variables passed to the current script
- via the HTTP POST method.
+ via the HTTP POST method when using application/x-www-form-urlencoded
+ or multipart/form-data as the HTTP Content-Type in the request.