diff --git a/docs/MANUAL.md b/docs/MANUAL.md
index 6d992d5a..926fdfe5 100644
--- a/docs/MANUAL.md
+++ b/docs/MANUAL.md
@@ -308,11 +308,11 @@ If this mode is set, only users that have logged into an account will be able to
 
 To set this mode:
 
-    /MODE #test +r
+    /MODE #test +R
 
 To unset this mode:
 
-    /MODE #test -r
+    /MODE #test -R
 
 ### +s - Secret
 
diff --git a/irc/help.go b/irc/help.go
index 22925b42..9c81e99b 100644
--- a/irc/help.go
+++ b/irc/help.go
@@ -47,7 +47,7 @@ Oragono supports the following channel modes:
   +m  |  Moderated mode, only privileged clients can talk on the channel.
   +n  |  No-outside-messages mode, only users that are on the channel can send
       |  messages to it.
-  +r  |  Only registered users can talk in the channel.
+  +R  |  Only registered users can talk in the channel.
   +s  |  Secret mode, channel won't show up in /LIST or whois replies.
   +t  |  Only channel opers can modify the topic.