diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,9 +1,15 @@
 # ETF Autotest Parser
 
-Python program for parsing ETF autotest scripts (written in JSON). It produces a `.txt` output file where with all of the unit tests.
+## About
+
+Python program for parsing ETF autotest scripts. It produces a `.txt` output file with all of the unit tests and expected outputs.
 
 ## Usage
 
+To use the program simply run the following command:
+
 ```bash
 python etf-parse.py <filename>
 ```
+
+You should replace `<filename>` with the name of the file containing unit tests. By default this argument will be `autotest2`, so simply running `python etf-parse.py` will look for `autotest2` in the current directory.