diff --git a/docs/chapter_array_and_linkedlist/linked_list.md b/docs/chapter_array_and_linkedlist/linked_list.md
index ac887baba..cf169b707 100755
--- a/docs/chapter_array_and_linkedlist/linked_list.md
+++ b/docs/chapter_array_and_linkedlist/linked_list.md
@@ -63,7 +63,7 @@
 === "JavaScript"
 
     ```javascript title=""
-    /* 链表结点结构体 */
+    /* 链表结点类 */
     class ListNode {
         val;
         next;
@@ -77,7 +77,7 @@
 === "TypeScript"
 
     ```typescript title=""
-    /* 链表结点结构体 */
+    /* 链表结点类 */
     class ListNode {
         val: number;
         next: ListNode | null;
@@ -595,7 +595,7 @@
 === "C++"
 
     ```cpp title=""
-    /* 链表结点结构体 */
+    /* 双向链表结点结构体 */
     struct ListNode {
         int val;         // 结点值
         ListNode *next;  // 指向后继结点的指针（引用）
diff --git a/docs/chapter_tree/binary_tree.md b/docs/chapter_tree/binary_tree.md
index 2c909e3e2..aaf8e218f 100644
--- a/docs/chapter_tree/binary_tree.md
+++ b/docs/chapter_tree/binary_tree.md
@@ -40,7 +40,7 @@
 === "Go"
 
     ```go title=""
-    /* 链表结点类 */
+    /* 链表结点结构体 */
     type TreeNode struct {
         Val   int
         Left  *TreeNode