【修改名词堆砌问题】

Signed-off-by: Luoyiling1010 <345725087@qq.com>
Signed-off-by: NLuoyiling1010 <345725087@qq.com>

en/contribute/OpenHarmony-64bits-coding-guide.md

@@ -404,8 +404,8 @@ typedef struct {
 } TreeNodeInfo;
 
 typedef struct {
-    TreeNodeInfo nodeInfo;   /* Tree information data structure of each node. */
-    void *userInfo;          /* User information data structure of each node. */
+    TreeNodeInfo nodeInfo;   /* Data structure of each node's tree information. */
+    void *userInfo;          /* Data structure of each node's user information. */
 } TreeNode;
 ```