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-rwxr-xr-xTools/demo/markov.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/Tools/demo/markov.py b/Tools/demo/markov.py
index 7c08bdb..7a0720f 100755
--- a/Tools/demo/markov.py
+++ b/Tools/demo/markov.py
@@ -1,4 +1,8 @@
-#! /usr/bin/env python3
+#!/usr/bin/env python3
+
+"""
+Markov chain simulation of words or characters.
+"""
class Markov:
def __init__(self, histsize, choice):