diff --git a/README.md b/README.md
index 3cc8e71..43eed17 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,11 @@
 # pass2csv
-Needs [python-gnupg](https://pypi.python.org/pypi/python-gnupg). Run with path
-to password store as argument.
+Needs [python-gnupg](https://pypi.python.org/pypi/python-gnupg) and python3.
+Run with path to password store as argument:
+
+```
+python3 -m pip install --user python-gnupg
+python3 pass2csv.py ~/.password-store
+```
 
 There are two ways to export CSV data:
 
diff --git a/pass2csv.py b/pass2csv.py
index f2a50cd..d68b538 100644
--- a/pass2csv.py
+++ b/pass2csv.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import csv
 import os
 import sys