1 files changed, 1 insertions, 1 deletions

diff --git a/docs/ja/newbs.md b/docs/ja/newbs.md
index 84e973275..465b82106 100644
--- a/docs/ja/newbs.md
+++ b/docs/ja/newbs.md
@@ -3,7 +3,7 @@
 <!---
   grep --no-filename "^[ ]*git diff" docs/ja/*.md | sh
   original document: adf4acf59:docs/newbs.md
-  git diff adf4acf59 HEAD docs/newbs.md | cat
+  git diff adf4acf59 HEAD -- docs/newbs.md | cat
 -->
 
 QMK は、メカニカルキーボード用の強力なオープンソースファームウェアです。