Update README.md

Author: ramalho

02-array-seq/lispy/README.md

@@ -1,4 +1,4 @@
-# Norvig's originals and updates
+# Norvig's `lis.py` and updates
 
 This directory contains:
 
@@ -33,4 +33,4 @@ I made small changes to the programs in `original/`:
 
 * In `lispy.py` I made [changes and a pull request](https://github.com/norvig/pytudes/pull/106) to make it run on Python 3.
 
-_Luciano Ramalho<br/>June 29, 2021_
+_Luciano Ramalho<br/>June 29, 2021_