Update README.md

README.md

@@ -1,6 +1,9 @@
 # Auto RTF
 This script was made by an annoyed CS3714 student to instantly compile all his
-code into one rtf file that could easily be used to export to a PDF.
+code into one RTF file that could easily be used to export to a PDF.
+
+## Requirements
+You must have Python 3 or later installed on your system.
 
 ## Usage
 ### Windows/macOS
@@ -20,3 +23,11 @@ Here are some helpful options:
 - `--help`, `-h`: Shows a help message describing what each option does
 - `--output-file`, `-o`: Specifies a different file name or location for the resulting RTF file
 - `--project-root`, `-p`: Specifies a root directory for an Android Studio project
+- `--version`, `-v`: Displays the current version of auto-rtf
+
+To run this in the command line, use `python auto-rtf.py --help`
+If that doesn't work, try `python3` instead of `python`.
+
+On Linux, if you want to run the script without adding `python` to the beginning,
+add `#!/bin/python3` to the top of the script.
+I would do this myself, but then it won't run on Windows with a double-click.