fix a typo

Author: jethrodaniel

README.md

@@ -269,7 +269,7 @@ Grape's [deprecator](https://api.rubyonrails.org/v7.1.0/classes/ActiveSupport/De
 ### All
 
 
-By default Grape will compile the routes on the first route, it is possible to pre-load routes using the `compile!` method.
+By default Grape will compile the routes on the first route, but it is possible to pre-load routes using the `compile!` method.
 
 ```ruby
 Twitter::API.compile!