update 1518

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/secondthousand/_1518.java

@@ -3,15 +3,15 @@
 public class _1518 {
     public static class Solution1 {
         public int numWaterBottles(int numBottles, int numExchange) {
-            int drunk = numBottles;
+            int drank = numBottles;
             int emptyBottles = numBottles;
             while (emptyBottles >= numExchange) {
                 int exchangedBottles = emptyBottles / numExchange;
-                drunk += exchangedBottles;
+                drank += exchangedBottles;
                 int unUsedEmptyBottles = emptyBottles % numExchange;
                 emptyBottles = exchangedBottles + unUsedEmptyBottles;
             }
-            return drunk;
+            return drank;
         }
     }
 }