diff --git a/pythonetc/README.md b/pythonetc/README.md
index f53bf60..a022ed4 100644
--- a/pythonetc/README.md
+++ b/pythonetc/README.md
@@ -30,7 +30,7 @@ You don't need telegram to read the channel using the link above. If neither of
These are ideas for future posts. Let me know if you want to write a guest post on any of these topics.
-+ https://barry.warsaw.us/software/STYLEGUIDE.txt
++
+ Json indent
+ Csv instead of xls
+ Turtle
@@ -40,8 +40,8 @@ These are ideas for future posts. Let me know if you want to write a guest post
+ String.Template
+ String module consts
+ Urllib
-+ https://www.python.org/downloads/release/python-3100a7/
-+ https://www.python.org/dev/peps/pep-0505/
++
++
+ `__dir__`
+ ModuleType
+ Import hooks
@@ -67,3 +67,6 @@ These are ideas for future posts. Let me know if you want to write a guest post
+ list.clear
+ typing.Protocol
+ runtime_checkable
++
++
++
diff --git a/snippets/git-lines-count.py b/snippets/git-lines-count.py
index c010ca1..5275220 100644
--- a/snippets/git-lines-count.py
+++ b/snippets/git-lines-count.py
@@ -1,3 +1,9 @@
+"""
+A script that calculates how many lines are changed in each git commit.
+
+It is supposed to be copy-pasted into a Jupyter notebook for further experiments.
+Don't try to use it from console, it won't show anything.
+"""
import plotnine as gg
import pandas
import subprocess