Add documentation for channel mode N

diff --git a/doc/Modes.txt b/doc/Modes.txt
index 07f16eb0489b8a959cddc6cf1205af6027b2310d..2230f36eda26804f10f2c0d6525353db83eb9367 100644 (file)
--- a/doc/Modes.txt
+++ b/doc/Modes.txt
@@ -56,6 +56,7 @@ users to lists (e.g. "invite list", "ban list"), others have parameters
   m    0.3.0   Channel is moderated, only "voiced" users can send messages.
   M    20      Only registered users (and IRC Ops) can send messages.
   n    0.3.0   Channel doesn't allow messages of users not being members.
+  N     ??      Users can't change their nickname while on this channel.
   O    18      Only IRC operators are allowed to join this channel.
   P    0.5.0   Channel is "persistent".
   Q    20      Nobody can be kicked from the channel.