Update Recipe-App.md

Typo - "recipe's" should be "recipes"

Projects/Recipe-App.md

@@ -3,7 +3,7 @@
 **Tier:** 1-Beginner
 
 You might not have realized this, but recipe's are nothing more than culinary
-algorithms. Like programs, recipe's are a series of imperative steps which,
+algorithms. Like programs, recipes are a series of imperative steps which,
 if followed correctly, result in a tasty dish.
 
 The objective of the Recipe app is to help the user manage recipes in a way