diff --git a/problems/0349.两个数组的交集.md b/problems/0349.两个数组的交集.md
index 64d80a37..45f19b6e 100644
--- a/problems/0349.两个数组的交集.md
+++ b/problems/0349.两个数组的交集.md
@@ -294,17 +294,17 @@ int* intersection1(int* nums1, int nums1Size, int* nums2, int nums2Size, int* re
     
     int i;
 
-    //Calculate the number's counts for nums1 array
+    /* Calculate the number's counts for nums1 array */
     for(i = 0; i < nums1Size; i ++) {
         nums1Cnt[nums1[i]]++;
     }
 
-    //Check if the value existing in nums1 count array
+    /* Check if the value in nums2 is existing in nums1 count array */
     for(i = 0; i < nums2Size; i ++) {
         if(nums1Cnt[nums2[i]] > 0) {
             result[resultIndex] = nums2[i];
             resultIndex ++;
-            //Clear this count to avoid duplicated value
+            /* Clear this count to avoid duplicated value */
             nums1Cnt[nums2[i]] = 0;
         }
     }