diff --git a/files/zh-cn/mozilla/add-ons/webextensions/api/extensiontypes/imageformat/index.md b/files/zh-cn/mozilla/add-ons/webextensions/api/extensiontypes/imageformat/index.md
index 6ce79e74cb56e0..86058185cf5e3a 100644
--- a/files/zh-cn/mozilla/add-ons/webextensions/api/extensiontypes/imageformat/index.md
+++ b/files/zh-cn/mozilla/add-ons/webextensions/api/extensiontypes/imageformat/index.md
@@ -2,7 +2,7 @@
 title: extensionTypes.ImageFormat
 slug: Mozilla/Add-ons/WebExtensions/API/extensionTypes/ImageFormat
 l10n:
-    sourceCommit: a16fecbf75f71fc11e03ef6cd0b0c34ad6f3d480
+  sourceCommit: a16fecbf75f71fc11e03ef6cd0b0c34ad6f3d480
 ---
 
 {{AddonSidebar}}