diff --git a/files/ja/web/api/pannernode/setorientation/index.md b/files/ja/web/api/pannernode/setorientation/index.md
index 9df115e495353f..1e591c5545c078 100644
--- a/files/ja/web/api/pannernode/setorientation/index.md
+++ b/files/ja/web/api/pannernode/setorientation/index.md
@@ -3,7 +3,7 @@ title: "PannerNode: setOrientation() メソッド"
 short-title: setOrientation()
 slug: Web/API/PannerNode/setOrientation
 l10n:
-  sourceCommit: 312081aabba3885b35a81107b3c2fc53428896c5
+  sourceCommit: aa8fa82a902746b0bd97839180fc2b5397088140
 ---
 
 {{APIRef("Web Audio API")}}{{Deprecated_Header}}
@@ -32,9 +32,9 @@ setOrientation(x, y, z)
 - `z`
   - : 3D 空間におけるパンナーの方向ベクトルの z 値。
 
-### Return value
+### 返値
 
-None ({{jsxref("undefined")}}).
+なし ({{jsxref("undefined")}})。
 
 ## 例