Update bubble-sort.cpp

algorithms/CPlusPlus/Sorting/bubble-sort.cpp

@@ -18,7 +18,7 @@ int main()
 	{
 		swap = false;
 		for (int j= 0; j< n-1; j++)
-		{    //comparing adjecent elements of array
+		{    //comparing adjacent elements of array
 			if (arr[j]>arr[j+1])
 			{   // swapping array elements
 				temp = arr[j];