document status codes displayed by 'got update'
diff --git a/got/got.1 b/got/got.1
index 9aadbc5..914b39f 100644
--- a/got/got.1
+++ b/got/got.1
@@ -97,10 +97,21 @@ will be checked out.
.It Cm update [ Fl c Ar commit ] [ work-tree-path ]
Update an existing work tree to another commit on the current branch.
By default, the latest commit on the current branch is assumed.
+Show the status of each affected file, using the following status codes:
+.Bl -column YXZ description
+.It U Ta file was updated and contained no local changes
+.It G Ta file was updated and local changes were merged cleanly
+.It C Ta file was updated and conflicts occurred during merge
+.It D Ta file was deleted
+.It A Ta new file was added
+.It ~ Ta versioned file is obstructed by a non-regular file
+.El
+.Pp
If the
.Ar work tree path
is omitted, use the current working directory.
.Pp
+.Pp
The options for
.Cm got update
are as follows: