改正变量名

eBook/10.2.md

@@ -93,8 +93,8 @@ func main() {
 
     // NOT OK
     z := make(Bar) // 编译错误：cannot make type Bar
-    (*y).thingOne = "hello"
-    (*y).thingTwo = 1
+    (*z).thingOne = "hello"
+    (*z).thingTwo = 1
 
     // OK
     x := make(Foo)