diff --git a/docs/configuration/cheatsheet.md b/docs/configuration/cheatsheet.md
index f1d41b0c6..82367ae0b 100644
--- a/docs/configuration/cheatsheet.md
+++ b/docs/configuration/cheatsheet.md
@@ -266,7 +266,7 @@ All criteria are configured as a map of regular expressions to lists of policy m
 
 Example:
 
-```
+```elixir
 config :pleroma, :mrf_subchain,
   match_actor: %{
     ~r/https:\/\/example.com/s => [Pleroma.Web.ActivityPub.MRF.DropPolicy]