Removed my own poor spelling

Author: katefike

README.md

@@ -24,5 +24,4 @@ Significant contributions from [pvcraven](https://github.com/pvcraven) and [Clep
 To develop pytiled parser, clone the repo, create a `venv` using a supported Python version, and activate it. Then install the package as well as all testing dependencies with the command `python -m pip install -e ".[tests]"`.
 
 ### Testing
-Run `pytest --cov=pytiled_parser` to run the test harness and report coverage.
-ioi
+Run `pytest --cov=pytiled_parser` to run the test harness and report coverage.