diff --git a/doc/misc/rcirc.texi b/doc/misc/rcirc.texi
index 84933a9ca72..37d62c7c41a 100644
--- a/doc/misc/rcirc.texi
+++ b/doc/misc/rcirc.texi
@@ -691,11 +691,11 @@ window is showing them), the mode line will now show you the abbreviated
 channel or nick name.  Use @kbd{C-c C-@key{SPC}} to switch to these
 buffers.
 
-@cindex rcirc-track-abbrevate-flag
+@cindex rcirc-track-abbreviate-flag
 By default the channel names are abbreviated, set
-@code{rcirc-track-abbrevate-flag} to a non-@code{nil} value. This might be
-interesting if the IRC activities are not tracked in the mode line,
-but somewhere else.
+@code{rcirc-track-abbreviate-flag} to a non-@code{nil} value.  This
+might be interesting if the IRC activities are not tracked in the mode
+line, but somewhere else.
 
 @vindex rcirc-mode-hook
 If you prefer not to load @code{rcirc} immediately, you can delay the
diff --git a/lisp/net/rcirc.el b/lisp/net/rcirc.el
index 29957a62d04..7d4f275dc9b 100644
--- a/lisp/net/rcirc.el
+++ b/lisp/net/rcirc.el
@@ -2371,9 +2371,11 @@ This function does not alter the INPUT string."
   "C-c C-@"   #'rcirc-next-active-buffer
   "C-c C-SPC" #'rcirc-next-active-buffer)
 
-(defcustom rcirc-track-abbrevate-flag t
+(define-obsolete-variable-alias 'rcirc-track-abbrevate-flag
+  'rcirc-track-abbreviate-flag "30.1")
+(defcustom rcirc-track-abbreviate-flag t
   "Non-nil means `rcirc-track-minor-mode' should abbreviate names."
-  :version "28.1"
+  :version "30.1"
   :type 'boolean)
 
 ;;;###autoload
@@ -2559,7 +2561,7 @@ activity.  Only run if the buffer is not visible and
     (funcall rcirc-channel-filter
              (replace-regexp-in-string
               "@.*?\\'" ""
-              (or (and rcirc-track-abbrevate-flag
+              (or (and rcirc-track-abbreviate-flag
                        rcirc-short-buffer-name)
                   (buffer-name))))))