diff --git a/go.mod b/go.mod
index badb8e6..13312fd 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
-module vultras.su/core/biz
+module surdeus.su/core/biz
 
 go 1.21.8
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..fa5e517
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,4 @@
+# biz
+
+The Golang module contains business related types
+and functions to keep them in place.