diff --git a/README.md b/README.md
index ab55b05..2ab02a3 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Tamakiii Tap
 
 ## How do I install these formulae?
-`brew install tamakiii/tap/<formula>`
+`brew install --cask tamakiii/cask/<formula>`
 
 Or `brew tap tamakiii/tap` and then `brew install <formula>`.
 
diff --git a/Makefile b/development.mk
similarity index 100%
rename from Makefile
rename to development.mk