diff --git a/source/chapter3/04_Expressions.md b/source/chapter3/04_Expressions.md
index b4e8c8ed..eabcd950 100644
--- a/source/chapter3/04_Expressions.md
+++ b/source/chapter3/04_Expressions.md
@@ -12,7 +12,7 @@
 > 翻译：[mmoaay](https://github.com/mmoaay)
 
 > 2.2 
-> 校对 [175](https://github.com/Brian175)
+> 校对：[175](https://github.com/Brian175)
 
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