docs/diff-options: clarify scope of diff-filter types

diff --git a/t/t3600-rm.sh b/t/t3600-rm.sh
index 5aa6db584cd0dbddf6060eeb46f4c1c9836bc935..3c63455729c9bad8aae1210172225e5fb1aab229 100755 (executable)
--- a/t/t3600-rm.sh
+++ b/t/t3600-rm.sh
@@ -658,7 +658,7 @@ test_expect_success 'rm of a populated nested submodule with nested untracked fi
        test_cmp expect actual
 '
 
-test_expect_success 'rm of a populated nested submodule with a nested .git directory fails even when forced' '
+test_expect_success "rm absorbs submodule's nested .git directory" '
        git reset --hard &&
        git submodule update --recursive &&
        (cd submod/subsubmod &&