Fixing typo in README.md

Author: pjfrontend

README.md

@@ -49,7 +49,7 @@ The template starts out very basic, but might receive additional features over t
 
 SFML is found via CMake's [FetchContent](https://cmake.org/cmake/help/latest/module/FetchContent.html) module.
 FetchContent automatically downloads SFML from GitHub and builds it alongside your own code.
-Beyond the convenience of not having to install SFML yourself, this ensures ABI compatability and simplifies things like specifying static versus shared libraries.
+Beyond the convenience of not having to install SFML yourself, this ensures ABI compatibility and simplifies things like specifying static versus shared libraries.
 
 Modifying what version of SFML you want is as easy as changing the [`GIT_TAG`](CMakeLists.txt#L7) argument.
 Currently it uses the latest in-development version of SFML 2 via the `2.6.x` tag.