fix: variable assignment exercises

06-variables/04-assignment/exercises/04-find-the-rectangle-perimeter/main.go

@@ -19,10 +19,14 @@ package main
 //  3. Print the `perimeter` variable
 //
 // HINT
-//  Rectangle formula = 2 * (width + height)
+//  Formula = 2 times the width and height
 //
 // EXPECTED OUTPUT
 //  22
+//
+// BONUS
+//  Find more formulas here and calculate them in new programs
+//  https://www.mathsisfun.com/area.html
 // ---------------------------------------------------------
 
 func main() {

06-variables/04-assignment/exercises/07-multi-short-func/main.go

@@ -10,9 +10,9 @@ package main
 // ---------------------------------------------------------
 // EXERCISE: Multi Short Func
 //
-// 	1. Multiple short declare two variables
+// 	1. Declare two variables using multiple short declaration syntax
 //
-//  2. Initialize variables using `multi` function below
+//  2. Initialize the variables using `multi` function below
 //
 //  3. Discard the 1st variable's value in the declaration
 //