Update array-and-strings.txt

Author: styopdev

array-and-strings.txt

@@ -55,7 +55,7 @@ Solution:
 
 
 5) A left rotation operation on an array shifts each of the array's elements  unit to the left. For example, 
-if  left rotations are performed on array [1, 2, 3, 4, 5], then the array would become [3, 4, 5, 1, 2].
+if 2 left rotations are performed on array [1, 2, 3, 4, 5], then the array would become [3, 4, 5, 1, 2].
 
 Solution: