diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 0000000..e9eafca
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,18 @@
+Testing
+=======
+
+Installing the test environment
+-------------------------------
+
+### Debian-based distributions
+
+```shell-session
+$ sudo apt install pypy python-tox
+```
+
+Running the tests
+-----------------
+
+```shell-session
+$ make test
+```