[Docs] Update check commands in Japanese documents (#7787)

The Japanese documents included a sample command to check the original document changes. But there was something wrong, so I fixed it.

1 files changed, 2 insertions, 2 deletions

diff --git a/docs/ja/getting_started_github.md b/docs/ja/getting_started_github.md
index 0d08ab78b..261f1d391 100644
--- a/docs/ja/getting_started_github.md
+++ b/docs/ja/getting_started_github.md
@@ -1,8 +1,8 @@
 # QMK で Github を使う方法
 
 <!---
-  original document: d598f01cb:getting_started_github.md
-  git diff d598f01cb HEAD getting_started_github.md | cat
+  original document: d598f01cb:docs/getting_started_github.md
+  git diff d598f01cb HEAD -- docs/getting_started_github.md | cat
 -->
 
 Github は慣れていない人には少し注意が必要です - このガイドは、QMK におけるフォーク、クローン、プルリクエストのサブミットの各ステップについて説明します。