doc: replace 3 dash with correct 2 dash in git-config(1)

Commit 4e51389000 (builtin/config: introduce "get" subcommand, 2024-05-06)
introduced this typo.  It uses 3 dashes for regexp argument instead of
correct 2 dashes.

Signed-off-by: Celeste Liu <CoelacanthusHex@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index 65c645d461aa1489a584684fc4981f5b33c9b503..79360328aa9de3f2c43519154409edf0a6865c9c 100644 (file)
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -130,7 +130,7 @@ OPTIONS
 --all::
        With `get`, return all values for a multi-valued key.
 
----regexp::
+--regexp::
        With `get`, interpret the name as a regular expression. Regular
        expression matching is currently case-sensitive and done against a
        canonicalized version of the key in which section and variable names