diff --git a/think_like_computer/Framework and thoughts about learning data structure and algorithm.md b/think_like_computer/Framework and thoughts about learning data structure and algorithm.md
index 5616fca972..07a6653861 100644
--- a/think_like_computer/Framework and thoughts about learning data structure and algorithm.md	
+++ b/think_like_computer/Framework and thoughts about learning data structure and algorithm.md	
@@ -69,7 +69,7 @@ void traverse(ListNode head) {
 }
 
 void traverse(ListNode head) {
-    // recusively head.val
+    // recursively head.val
     traverse(head.next)
 }
 ```