diff --git a/Installing-and-Configuring/Building-Heads/general.md b/Installing-and-Configuring/Building-Heads/general.md
index 7a508f6..7c16ae6 100644
--- a/Installing-and-Configuring/Building-Heads/general.md
+++ b/Installing-and-Configuring/Building-Heads/general.md
@@ -58,7 +58,7 @@ Generally, everything that is needed to flash the SPI flash of a board is a
 
  Make Heads for another board (`XXX` should be the name of your board in ./boards and YY the number of CPUs you want to build with):
 
- ```Makefile
+ ```shell
  docker run -e DISPLAY=$DISPLAY --network host --rm -ti -v $(pwd):$(pwd) -w $(pwd) tlaurion/heads-dev-env:latest -- make BOARD=XXX CPUS=YY
  ```