diff --git a/en/contribute/OpenHarmony-64bits-coding-guide.md b/en/contribute/OpenHarmony-64bits-coding-guide.md
index b007ac53bfa3601f8f5f69db190170758b5abf27..037b688b0deed99b2485252364921378347bc9fb 100644
--- a/en/contribute/OpenHarmony-64bits-coding-guide.md
+++ b/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;   /* Tree information data structure of each node. */
+    void *userInfo;          /* User information data structure of each node. */
 } TreeNode;
 ```