TBR: docs(readme): update the Homebrew tap info

Change-Id: If9130df8d413d0d6e5a0488ed9e6c9be3d74c958
diff --git a/README.md b/README.md
index 29cf0b7..3931316 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@
 
 On Mac OS X, `madb` can be installed using [Homebrew](http://brew.sh/).
 
-    $ brew tap baku-io/baku
+    $ brew tap vanadium/baku
     $ brew install madb
 
 To upgrade `madb` to the most recent version,