chore: readme improvements

Author: stainless-app[bot]

README.md

@@ -58,10 +58,10 @@ var_dump($unifiedResponse->demat_accounts);
 
 ## Value Objects
 
-It is recommended to use the `with` constructor `Dog::with(name: "Joey")`
+It is recommended to use the static `with` constructor `Dog::with(name: "Joey")`
 and named parameters to initialize value objects.
 
-However builders are provided as well `(new Dog)->withName("Joey")`.
+However, builders are also provided `(new Dog)->withName("Joey")`.
 
 ### Handling errors