fix: wrong ````

en/src/pattern-match/patterns.md

@@ -114,6 +114,6 @@ fn main() {
        &mut value => value.push_str(" world!") 
     }
 }
-````
+```
 
 > You can find the solutions [here](https://github.com/sunface/rust-by-practice)(under the solutions path), but only use it when you need it