diff --git a/en/src/generics-traits/traits.md b/en/src/generics-traits/traits.md
index e12f85e..40f669c 100644
--- a/en/src/generics-traits/traits.md
+++ b/en/src/generics-traits/traits.md
@@ -174,7 +174,7 @@ use std::ops;
 // Implement fn multiply to make the code work.
 // As mentioned above, `+` needs `T` to implement `std::ops::Add` Trait.
 // So, what about `*`?  You can find the answer here: https://doc.rust-lang.org/core/ops/
-fn multipl
+fn multiply
 
 fn main() {
     assert_eq!(6, multiply(2u8, 3u8));
@@ -469,4 +469,4 @@ fn main() {
 }
 ```
 
-> You can find the solutions [here](https://github.com/sunface/rust-by-practice/blob/master/solutions/generics-traits/traits.md)(under the solutions path), but only use it when you need it :)
\ No newline at end of file
+> You can find the solutions [here](https://github.com/sunface/rust-by-practice/blob/master/solutions/generics-traits/traits.md)(under the solutions path), but only use it when you need it :)
diff --git a/en/src/variables.md b/en/src/variables.md
index 527062d..fc22c66 100644
--- a/en/src/variables.md
+++ b/en/src/variables.md
@@ -38,9 +38,9 @@ fn main() {
     let x: i32 = 10;
     {
         let y: i32 = 5;
-        println!("The value of x is {} and value of y is {}", x, y);
+        println!("Inner scope value of x is {} and value of y is {}", x, y);
     }
-    println!("The value of x is {} and value of y is {}", x, y); 
+    println!("Outer scope value of x is {} and value of y is {}", x, y); 
 }
 ```
 
diff --git a/zh-CN/src/formatted-output.md b/zh-CN/src/formatted-output.md
index 7ba65e8..ec45857 100644
--- a/zh-CN/src/formatted-output.md
+++ b/zh-CN/src/formatted-output.md
@@ -180,3 +180,5 @@ fn main() {
     println!("Hello {{}}"); // => Hello {}
 }
 ```
+
+> 你可以在[这里](https://github.com/sunface/rust-by-practice/blob/master/solutions/formatted-output/formatting.md)找到答案(在 solutions 路径下)