(erc-show-channel-key-p): Fix typo in docstring.

diff --git a/lisp/erc/erc.el b/lisp/erc/erc.el
index 37c2c2e08838ccbf60b4f68cb0cc4d6fdbaaf722..72442de9f95015dcb859e3c2de4a596d1f5d42e2 100644 (file)
--- a/lisp/erc/erc.el
+++ b/lisp/erc/erc.el
@@ -5756,7 +5756,7 @@ Otherwise, use the `erc-header-line' face."
                 (function :tag "Call a function")))
 
 (defcustom erc-show-channel-key-p t
-  "Show the the channel key in the header line."
+  "Show the channel key in the header line."
   :group 'erc-paranoia
   :type 'boolean)