Update README.md to better show the need for creating config.yml

README.md

@@ -78,7 +78,15 @@ git clone https://gitlab.fi.muni.cz/lexa/nested.git
 cd nested
 ```
 
-#### modify respective paths in 'config_template.yml' save as 'config.yml' and call:
+#### modify respective paths in 'config_template.yml':
+
+```
+cp config_template.yml config.yml
+vi config.yml
+```
+Note: we're looking into ways to automate this step
+
+#### after 'config.yml' is created call:
 
 ```
 sudo bash ./setup.sh