Updates /doc/hook/ aus Driversourcen.

Change-Id: I039ae8b3cfcaadb859e8e10037b9fa9f6d120fba
diff --git a/doc/hook/msg_discarded b/doc/hook/msg_discarded
index 5360dfe..5dfb0d1 100644
--- a/doc/hook/msg_discarded
+++ b/doc/hook/msg_discarded
@@ -18,8 +18,8 @@
         possible to the player informing about the lost transmission.
 
         If the hook is a closure, it is the function to be called
-        and the result is used as the message to be sent. Lambda
-        closures are bound to the interactive <user> first.
+        and the result is used as the message to be sent. Unbound
+        lambda closures are bound to the interactive <user> first.
 
 HISTORY
         Introduced in LDMud 3.3.719