Update app8.cpp

Author: giljr

source/repos/Project8/app8.cpp

@@ -15,7 +15,8 @@
   note: To halt the syste simply type 
 		a number different of 1 or 2:)
 
-  author: j3
+  Author: Borin (https://br.linkedin.com/in/borinvini) 
+  Edited by j3
   date: jun, 13/2020
 */
 #include<stdio.h>
@@ -60,8 +61,8 @@ int main()
 			result = sub(x, y);
 			printf("x minus y is: %.2f\n", result);
 			break;
-		default:
-			printf("Operation not supported!");
+		default:
+			printf("Operation not supported!");
 			break;
 		}
 		printf("Please, enter the first number: ");
@@ -97,4 +98,4 @@ float add(float a, float b)
 float sub(float a, float b)
 {
 	return a - b;
-}
+}