diff --git a/solutions/274. H-Index.md b/solutions/274. H-Index.md
index d33053b..4f6f339 100644
--- a/solutions/274. H-Index.md	
+++ b/solutions/274. H-Index.md	
@@ -51,16 +51,15 @@ private:
 public:
     int hIndex(vector<int>& citations) {
         int n = citations.size();
+        if(!n) return 0;
         int left = 0, right = n - 1;
-        while(left <= right){
-            if(left == right) return min(citations[left], n - left);
-            
+        while(left < right){
             int k = partition(citations, left, right);
             if(n - k == citations[k]) return citations[k];
             if(n - k > citations[k]) left = k + 1;
             else right = k;
         }
-        return 0;
+        return min(citations[left], n - left); // left == right
     }
 };
 ```