Expand documentation describing --signoff

diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt
index 0d8ba48f792ae82237a56aa0dd2aca03f4e16020..13cdd7f3b636dfadc262dcf099653775ec53cd5a 100644 (file)
--- a/Documentation/git-am.txt
+++ b/Documentation/git-am.txt
@@ -10,7 +10,7 @@ SYNOPSIS
 --------
 [verse]
 'git am' [--signoff] [--keep] [--[no-]keep-cr] [--[no-]utf8]
-        [--3way] [--interactive] [--committer-date-is-author-date]
+        [--[no-]3way] [--interactive] [--committer-date-is-author-date]
         [--ignore-date] [--ignore-space-change | --ignore-whitespace]
         [--whitespace=<option>] [-C<n>] [-p<n>] [--directory=<dir>]
         [--exclude=<path>] [--include=<path>] [--reject] [-q | --quiet]
@@ -35,6 +35,7 @@ OPTIONS
 --signoff::
        Add a `Signed-off-by:` line to the commit message, using
        the committer identity of yourself.
+       See the signoff option in linkgit:git-commit[1] for more information.
 
 -k::
 --keep::
@@ -90,10 +91,13 @@ default.   You can use `--no-utf8` to override this.
 
 -3::
 --3way::
+--no-3way::
        When the patch does not apply cleanly, fall back on
        3-way merge if the patch records the identity of blobs
        it is supposed to apply to and we have those blobs
-       available locally.
+       available locally. `--no-3way` can be used to override
+       am.threeWay configuration variable. For more information,
+       see am.threeWay in linkgit:git-config[1].
 
 --ignore-space-change::
 --ignore-whitespace::
@@ -138,7 +142,9 @@ default.   You can use `--no-utf8` to override this.
 
 -S[<keyid>]::
 --gpg-sign[=<keyid>]::
-       GPG-sign commits.
+       GPG-sign commits. The `keyid` argument is optional and
+       defaults to the committer identity; if specified, it must be
+       stuck to the option without a space.
 
 --continue::
 -r::