diff --git a/docs/code_formatting_rules.md b/docs/code_formatting_rules.md
index f8ee966af..e534d9b8a 100644
--- a/docs/code_formatting_rules.md
+++ b/docs/code_formatting_rules.md
@@ -239,3 +239,5 @@ into the code base as well.
 
 Other editors (for example Atom, Nodepad++, Vim, Emacs and so on) might install
 a plugin to understand the rules in the `.editorconfig` file.
+
+In Vim you might want to use `set colorcolumn=80`.