Fix find-sibling-file doc string

* lisp/files.el (find-sibling-file): Remove incorrect statement
from doc string (bug#55879).

diff --git a/lisp/files.el b/lisp/files.el
index 8836ee6fb216ee6880482073c530d69244be824d..75a856c6362b412aa4b352208783c696c01cb406 100644 (file)
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -7312,9 +7312,6 @@ now defined as a sibling."
 
 (defun find-sibling-file (file)
   "Visit a \"sibling\" file of FILE.
-By default, return only files that exist, but if ALL is non-nil,
-return all matches.
-
 When called interactively, FILE is the currently visited file.
 
 The \"sibling\" file is defined by the `find-sibling-rules' variable."