fix typo

data/1.rust初阶/2.rust基本概念/10.控制流/control_flow.md

@@ -107,7 +107,7 @@ fn main() {
 fn main() {
     for i in 0..=10 {
         if i == 10 {
-            panic!("This never gonna happy");
+            panic!("This never gonna happen");
         }
     }
 }