diff --git a/eBook/05.3.md b/eBook/05.3.md
index 61d48fd..d8fe041 100644
--- a/eBook/05.3.md
+++ b/eBook/05.3.md
@@ -131,7 +131,7 @@ func main() {
 switch 语句的第三种形式是包含一个初始化语句：
 
 ```
-swtich initialization {
+switch initialization {
 	case val1:
 		...
 	case val2:
@@ -190,4 +190,4 @@ switch k {
 
 - [目录](directory.md)
 - 上一节：[测试多返回值函数的错误](05.2.md)
-- 下一节：[for 结构](05.4.md)
\ No newline at end of file
+- 下一节：[for 结构](05.4.md)
diff --git a/eBook/07.4.md b/eBook/07.4.md
index 1d98fb3..c3e79a5 100644
--- a/eBook/07.4.md
+++ b/eBook/07.4.md
@@ -58,7 +58,7 @@ slice 可以反复扩展直到占据整个相关数组。
 
 另一个例子：
 
-	var ar = [10]int{0,1,2,3,4,5,6,,7,8,9}
+	var ar = [10]int{0,1,2,3,4,5,6,7,8,9}
 	var a = ar[5:7] // reference to subarray {5,6} - len(a) is 2 and cap(a) is 5
 
 将a重新分片