Document that we don't send too many async-logout messages. Fixed old typo.

ChangeLog

@@ -10,6 +10,9 @@
 	logged in.
 	* src/server/testsuite/lyskomd.0/07.exp: Don't expect async-logout
 	when sessions are disconnected.
+	* doc/Protocol-A.texi (async-logout): This message is not
+	necessarily sent when a session disconnects and nobody is logged
+	in.
 
 1999-06-20  Per Cederqvist  <ceder@lysator.liu.se>
 
@@ -3438,7 +3441,7 @@
 	definition file".
 	* src/include/config.h (AUX_DEF_FILE): Constant removed.
 
-	Default to sending async_new_text_old and ay_leave_conf, bug not
+	Default to sending async_new_text_old and ay_leave_conf, but not
 	async_new_text, just as the documentation says.
 	* src/server/send-async.c (async_new_text_old): Use
 	prot_a_async_new_text_old, not prot_a_async_new_text.