Fix grammar mistakes in "you want to test your own mods don't you?

getting-started/prerequisites.md

@@ -6,6 +6,6 @@ order: 1
 # Prerequisites
 Before you get started with developing with the Geode SDK, there are a few prerequisites that you should know about!
 * Prior C++ knowledge is **HIGHLY** recommended. We do not intend in helping you at C++ from the very basics.
-* Installing [Geode](https://geode-sdk.org/install/) itself! you want to test your own mods dont you?
+* Installing [Geode](https://geode-sdk.org/install/) itself! You want to test your own mods, don't you?
 
-It is recommended that you follow the tutorials on this chapter in order.
+It is recommended that you follow the tutorials on this chapter in order.