Fix small typo in README.md

Fix minor typo in the denomination problem present in the "Greedy Algorithms" section of README.md

README.md

@@ -282,7 +282,7 @@ or equal to those of the children and the lowest key is in the root node
     * Given a target amount V cents and a list of denominations of n coins, i.e. we have coinValue[i] (in cents) for coin types i from [0...n - 1],
       what is the minimum number of coins that we must use to represent amount V? Assume that we have an unlimited supply of coins of any type
     * Coins - Penny (1 cent), Nickel (5 cents), Dime (10 cents), Quarter (25 cents)
-    * Assume V = 43. We can use the Greedy algorithm of continuously selecting the largest coin denomination less than or equal to V, subtract that
+    * Assume V = 41. We can use the Greedy algorithm of continuously selecting the largest coin denomination less than or equal to V, subtract that
       coin's value from V, and repeat.
     * V = 41 | 0 coins used
     * V = 16 | 1 coin used (41 - 25 = 16)