diff --git a/README.md b/README.md
index b14b39e3..13c238ae 100644
--- a/README.md
+++ b/README.md
@@ -80,6 +80,13 @@ The commit messages of all the commits in your PR should be properly formatted:
 
 Avoid merge commits by using rebase rather than merge when combining branches
 
+### Formatting
+
+Install black formatter (pip install black) and use it in the root directory of the project to format all python files (line length is set to 120):
+```
+black .
+```
+
 ## Publications
 
 ### The Concept
@@ -124,8 +131,3 @@ If you use this code for research, please cite:
 
 Michael Heider, Helena Stegherr, Jonathan Wurth, Roman Sraj, and Jörg Hähner. 2022. **Separating Rule Discovery and Global Solution Composition in a Learning Classifier System.** In Genetic and Evolutionary Computation Conference Companion (GECCO ’22 Companion). https://doi.org/10.1145/3520304.3529014
 
-
-
-## Formatting
-
-Install black formatter (pip install black) and use it in the root directory of the project to format all python files (black .)