1 files changed, 1 insertions, 1 deletions
diff --git a/diff.c b/diff.c
index d3734d3181..fa78fc189c 100644
--- a/diff.c
+++ b/diff.c
@@ -26,7 +26,7 @@
 #endif
 
 static int diff_detect_rename_default;
-static int diff_compaction_heuristic = 1;
+static int diff_compaction_heuristic; /* experimental */
 static int diff_rename_limit_default = 400;
 static int diff_suppress_blank_empty;
 static int diff_use_color_default = -1;