Update README.md

README.md

@@ -1,29 +1,31 @@
-# Visual learning PDF exercis file generator [![Build Status](https://travis-ci.org/bieli/visual-learning-generator.png)](https://travis-ci.org/bieli/visual-learning-generator)
+# Visual learning PDF exercise file generator 
+
+![CI Build Status](https://github.com/bieli/visual-learning-generator/actions/workflows/ci.yaml/badge.svg)
 
 Examples PDFs generated by this script are in /examples subdir.
 Enjoy :-)
 
 How to run PDF generator?
 -----
 ```
-$ python3.7 -m venv venv
+$ python3 -m venv venv
 $ source venv/bin/activate
 (venv) $ pip3 install -r requirements.txt
 (venv) $ python3 visuallearning.py
 (venv) $ evince visuallearning.pdf # to view output PDF generated file
 ```
 
-How to run unit test ?
+How to run unit tests ?
 ----
 ```
-$ python3.7 -m venv venv
+$ python3 -m venv venv
 $ source venv/bin/activate
 (venv) $ pip3 install -r requirements-dev.txt
 (venv) $ make tests
 ```
 
-
 Practical usage example
 ----
 
+
 ![](visual_learning.practice_example.gif)