diff: reject unknown change class given to --diff-filter

diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh
index 3e0e15fb3e0b92ab7e95789d27db34d9a1fa423c..8bf99e10a3f862e8502fc901b1ea5d7c16e947c9 100755 (executable)
--- a/t/t6030-bisect-porcelain.sh
+++ b/t/t6030-bisect-porcelain.sh
@@ -190,7 +190,7 @@ test_expect_success 'bisect start: no ".git/BISECT_START" if checkout error' '
 # $HASH1 is good, $HASH4 is bad, we skip $HASH3
 # but $HASH2 is bad,
 # so we should find $HASH2 as the first bad commit
-test_expect_success 'bisect skip: successfull result' '
+test_expect_success 'bisect skip: successful result' '
        git bisect reset &&
        git bisect start $HASH4 $HASH1 &&
        git bisect skip &&