diff --git a/modules/rtpengine/doc/rtpengine_admin.xml b/modules/rtpengine/doc/rtpengine_admin.xml
index 515e5aea542..f0d0ade5ab6 100644
--- a/modules/rtpengine/doc/rtpengine_admin.xml
+++ b/modules/rtpengine/doc/rtpengine_admin.xml
@@ -1091,7 +1091,12 @@ rtpengine_delete();
- If BYE or CANCEL, or called within a FAILURE_ROUTE[], then do rtpengine_delete()
+ If BYE or CANCEL, or called within a FAILURE_ROUTE[], then call
+ rtpengine_delete(). Be careful with calling
+ this function after resuming a suspended transaction (e.g., after
+ t_continue()), because the context of executed route is FAILURE
+ ROUTE (in other words, rtpengine_manage() in the route block of
+ t_continue() does the same as in failure_route).