Fixed troubleshooting suggestion when playing from package.

Author: ChrisNeedham24

README.md

@@ -44,7 +44,9 @@ Additionally, only x86 architectures are supported.
 
 1. Run `pip install microcosm-4x`
 2. Run `microcosm`
-    1. Note: if this doesn't work, try `python -m microcosm` or `py -m microcosm`.
+    1. Note: if this doesn't work, make sure Python's scripts directory is on your PATH.
+       See [here](https://packaging.python.org/en/latest/tutorials/installing-packages/#installing-to-the-user-site) for instructions for Windows
+       (this is not usually a problems on other operating systems).
 
 ## Play from source