git-fast-import.txt: fix wording about where ls command can appear

The docs claimed `ls` commands could appear almost anywhere, but the code told a different story. Modify the docs to match the code. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Elijah Newren committed Feb 20, 2019 at 14:58 UTC a63c54a019138c7aaa4624f48284722664428b15
1 file changed +2 -2
Documentation/git-fast-import.txt
+2 -2
@@ -1016,8 +1016,8 @@ printing a blob from the active commit (with `cat-blob`) or copying a
1016 blob or tree from a previous commit for use in the current one (with
1017 `filemodify`).
1018
1019 -The `ls` command can be used anywhere in the stream that comments are
1020 -accepted, including the middle of a commit.
1019 +The `ls` command can also be used where a `filemodify` directive can
1020 +appear, allowing it to be used in the middle of a commit.
1021
1022 Reading from the active commit::
1023 This form can only be used in the middle of a `commit`.