diff --git a/source/chapter2/19_Nested_Types.md b/source/chapter2/19_Nested_Types.md
index bd03302e..46c4a6bc 100755
--- a/source/chapter2/19_Nested_Types.md
+++ b/source/chapter2/19_Nested_Types.md
@@ -76,7 +76,7 @@ struct BlackjackCard {
 
 ```swift
 let theAceOfSpades = BlackjackCard(rank: .Ace, suit: .Spades)
-println("theAceOfSpades: \(theAceOfSpades.description)")
+print("theAceOfSpades: \(theAceOfSpades.description)")
 // 打印出 "theAceOfSpades: suit is ♠, value is 1 or 11"
 ```