gitmodules: clarify what history depth a shallow clone has

diff --git a/Documentation/diff-heuristic-options.txt b/Documentation/diff-heuristic-options.txt
index 36cb549df97cef182d590683cf262ccc9690e3ff..d4f3d9550555cd0aaa7a35c27ee926b71bf01b41 100644 (file)
--- a/Documentation/diff-heuristic-options.txt
+++ b/Documentation/diff-heuristic-options.txt
@@ -1,7 +1,5 @@
 --indent-heuristic::
 --no-indent-heuristic::
---compaction-heuristic::
---no-compaction-heuristic::
        These are to help debugging and tuning experimental heuristics
        (which are off by default) that shift diff hunk boundaries to
        make patches easier to read.