Test for gitspell

Introduce a spolling mistoke in this message to test gitspell.

Author: ClaCodes

README.md

@@ -1,6 +1,7 @@
 # elo.h
 A simple library to compute [elo ratings](.https://en.wikipedia.org/wiki/Elo_rating_system). This is for educational purpose and licensed under MIT/public domain so you may use it. But the formulas are very simple so you probably could also just copy them.
 
+
 # Goals
 - single header in style of [stb](https://github.com/nothings/stb)
 - well tested, maybe additional examples