Download Premake5: Fix typo

Easy-Raylib-Setup-for-Windows-with-Visual-Studio.md

@@ -41,7 +41,7 @@ Download premake version 5.0 from https://premake.github.io/
 
 https://premake.github.io/download.html#v5
  
-Put the premake5. Exe into your game folder.
+Put the premake5.exe into your game folder.
 
 ![image](https://user-images.githubusercontent.com/322174/107884989-964d2300-6eac-11eb-8715-088710243ee5.png)