fixup! Subsume `string-try-completion' into `string-common-prefix'

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/lispref/strings.texi b/doc/lispref/strings.texi
index ba2f56b91b5..0447b2262cd 100644
--- a/doc/lispref/strings.texi
+++ b/doc/lispref/strings.texi
@@ -250,7 +250,7 @@ properties removed.
 
 @cindex common prefix of a collection of strings
 @cindex string completion
-@defun string-common-prefix collection &optional ignore-case
+@defun string-common-prefix collection &optional string ignore-case regexp-list predicate
 This function returns the longest initial substring common to all
 members of @var{collection}.  It returns an empty string if there is no
 common prefix or if @var{collection} is @code{nil}.  If @var{collection}