diff --git a/docs/uni-ad-unimp.md b/docs/uni-ad-unimp.md
index 59035c47afebb892d9bc4b555882a9cbda0d1290..5a04c36c71d8e7234239912b44741c4d91e55aa8 100644
--- a/docs/uni-ad-unimp.md
+++ b/docs/uni-ad-unimp.md
@@ -41,4 +41,4 @@ SDK和Scheme的差异
 - HBuilderX 3.7.13+
 - 在项目的 manifest.json 界面配置，App模块配置 -> uniAd -> 勾选 `uniMP激励视频广告`
 
-注意：首日开启此功能需要整包更新，不支持WGT热更新
+注意：首次开启此功能需要整包更新，不支持WGT热更新