diff --git a/xep-0293.xml b/xep-0293.xml
index 4edcd51e..66a78447 100644
--- a/xep-0293.xml
+++ b/xep-0293.xml
@@ -34,6 +34,12 @@
Any type or subtype of feedback message that requires extra
parameters in the a=b form can use the <parameter/> element to
-describe it. Any other form of parameter can be stored as the 'key' attribute in a parameter element with an empty value.
Note: this overlaps with the subtype attribute. If there is only one parameter, use the subtype. The only known example where this is required is ccm.
The element <rtcp-fb-trr-int/> is used to specify the minimum