Strongly discourage --update-head-ok in fetch-options documentation.

diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt
index d82efc00d403dc13ac1e85c53083ccc52a4c79f3..fbdbadc74fbe558285323353b7aa006f3cfd559b 100644 (file)
--- a/Documentation/git-checkout.txt
+++ b/Documentation/git-checkout.txt
@@ -8,7 +8,7 @@ git-checkout - Checkout and switch to a branch
 SYNOPSIS
 --------
 [verse]
-'git-checkout' [-f] [-b <new_branch>] [-m] [<branch>]
+'git-checkout' [-f] [-b <new_branch> [-l]] [-m] [<branch>]
 'git-checkout' [-m] [<branch>] <paths>...
 
 DESCRIPTION
@@ -40,6 +40,11 @@ OPTIONS
        by gitlink:git-check-ref-format[1].  Some of these checks
        may restrict the characters allowed in a branch name.
 
+-l::
+       Create the new branch's ref log.  This activates recording of
+       all changes to made the branch ref, enabling use of date
+       based sha1 expressions such as "<branchname>@{yesterday}".
+
 -m::
        If you have local modifications to one or more files that
        are different between the current branch and the branch to