diff --git a/keyboards/mariorion_v25/readme.md b/keyboards/mariorion_v25/readme.md
index 46843acbdce..798338d90dd 100644
--- a/keyboards/mariorion_v25/readme.md
+++ b/keyboards/mariorion_v25/readme.md
@@ -12,6 +12,7 @@
 Make example for this keyboard (after setting up your build environment):
 
     make mariorion_v25/prod:default
+    make mariorion_v25/proto:default
 
 Flashing example for this keyboard: