X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=Documentation%2Fgit-checkout.txt;h=fbdbadc74fbe558285323353b7aa006f3cfd559b;hb=162f41292167a800432fc6bbacfcd9f93a90b0c8;hp=095128906a523cc8ca30639c1d42452a4bcb0050;hpb=3d990f110c2e5b8df83f6ab3ef83497f43c7fd47;p=git.git

diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt
index 09512890..fbdbadc7 100644
--- 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
@@ -35,7 +35,15 @@ OPTIONS
 	Force a re-read of everything.
 
 -b::
-	Create a new branch and start it at <branch>.
+	Create a new branch named <new_branch> and start it at
+	<branch>.  The new branch name must pass all checks defined
+	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