edit readme

README.md

@@ -51,11 +51,11 @@ For dumping SQLite-db's `sqlite3` should be installed.
 
 ## Postcardware
 
-You're free to use this package (it's [MIT-licensed](LICENSE.md)), but if it makes it to your production environment you are required to send us a postcard from your hometown, mentioning which of our package(s) you are using.
+You're free to use this package (it's [MIT-licensed](LICENSE.md)), but if it makes it to your production environment we appreciate you sending us a postcard from your hometown, mentioning which of our package(s) you are using.
 
 Our address is: Spatie, Samberstraat 69D, 2060 Antwerp, Belgium.
 
-The best postcards will get published on the open source page on our website.
+All postcards are published [on our website](https://spatie.be/en/opensource/postcards).
 
 ## Installation