diff --git a/docs/reference/stdlibs/std/testing.md b/docs/reference/stdlibs/std/testing.md
index e3e87ea7262..8a95ecf7827 100644
--- a/docs/reference/stdlibs/std/testing.md
+++ b/docs/reference/stdlibs/std/testing.md
@@ -106,7 +106,7 @@ Should be used in combination with [`NewUserRealm`](#newuserrealm) &
 #### Usage
 ```go
 addr := std.Address("g1ecely4gjy0yl6s9kt409ll330q9hk2lj9ls3ec")
-std.TestSetRealm(std.NewUserRealm(""))
+std.TestSetRealm(std.NewUserRealm(addr))
 // or 
 std.TestSetRealm(std.NewCodeRealm("gno.land/r/demo/users"))
 ```