diff --git a/README-DEV.md b/README-DEV.md
new file mode 100644
index 0000000..ba35796
--- /dev/null
+++ b/README-DEV.md
@@ -0,0 +1,10 @@
+Testing
+-------
+Use `pytest` to run the tests in [the tests directory](qurator/dinglehopper/tests):
+~~~
+virtualenv -p /usr/bin/python3 venv
+. venv/bin/activate
+pip install -r requirements.txt
+pip install pytest
+pytest
+~~~
diff --git a/README.md b/README.md
index 025c3e7..c807c45 100644
--- a/README.md
+++ b/README.md
@@ -71,13 +71,6 @@ parameter:
 ocrd-dinglehopper -I ABBYY-FULLTEXT,OCR-D-OCR-CALAMARI -O OCR-D-OCR-COMPARE-ABBYY-CALAMARI -p '{"metrics": false}'
 ~~~
 
-Testing
--------
-Use `pytest` to run the tests in [the tests directory](qurator/dinglehopper/tests):
-~~~
-virtualenv -p /usr/bin/python3 venv
-. venv/bin/activate
-pip install -r requirements.txt
-pip install pytest
-pytest
-~~~
+Developer information
+---------------------
+''Please refer to [README-DEV.md](README-DEV.md).''