Updated readme.

Author: JoshPiper

README.md

@@ -4,4 +4,21 @@ The Limelight Loading Screen hints file.
 They're pretty cool.
 
 ## Adding your own hints.
-Clone, add your hint to the index.php, open a pull request. Nice and easy :)
+Clone, add your hint file to source/ and open a pull request.
+Nice and easy :)
+
+## Source Format
+Line 1: Category  
+Line 2: Author  
+Lines 3+: Body
+
+For example:
+```
+Test
+Internet
+
+This is a hint. uwu.
+dab
+```
+This has the category of test, the author of internet and the body of "This is a hint. uwu.  
+dab"