diff --git a/source/chapter2/03_Strings_and_Characters.md b/source/chapter2/03_Strings_and_Characters.md
index 72fe4da5..54f8116b 100755
--- a/source/chapter2/03_Strings_and_Characters.md
+++ b/source/chapter2/03_Strings_and_Characters.md
@@ -352,7 +352,7 @@ greeting.endIndex.successor() // error
 
 ```swift
 for index in greeting.characters.indices {
-   print("\(greeting[index]) ", terminator: "")
+   print("\(greeting[index]) ", terminator: " ")
 }
 // 打印输出 "G u t e n   T a g !"
 ```