--- AnyEvent/README	2017/07/01 15:48:51	1.78
+++ AnyEvent/README	2019/02/26 02:08:34	1.79
@@ -828,7 +828,8 @@
         reference to the callback after invocation.
 
 SUPPORTED EVENT LOOPS/BACKENDS
-    The available backend classes are (every class has its own manpage):
+    The following backend classes are part of the AnyEvent distribution
+    (every class has its own manpage):
 
     Backends that are autoprobed when no other event loop can be found.
         EV is the preferred backend when no other event loop seems to be in
@@ -883,6 +884,12 @@
         load POE when detecting them, in the hope that POE will pick them
         up, in which case everything will be automatic.
 
+    Known event loops outside the AnyEvent distribution
+        The following event loops or programs support AnyEvent by providing
+        their own AnyEvent backend. They will be picked up automatically.
+
+           urxvt::anyevent           available to rxvt-unicode extensions
+
 GLOBAL VARIABLES AND FUNCTIONS
     These are not normally required to use AnyEvent, but can be useful to
     write AnyEvent extension modules.