More tweaks

Author: jonathan-r-thorpe

Documents/Authorization.md

@@ -8,7 +8,7 @@ A client such as a Broadcast Controller provides credentials to the Authorizatio
 
 The access token is time-limited, and must be refreshed before it expires. It is recommended to attempt to refresh the token at least 15 seconds before its expiry, or at the half-life of the access token.
 
-To speed up the token validation process, the Node periodically fetches the Authorization Server's public keys, typically once every hour. The public keys allow the Node to perform local token validation without having to bombard the Authorization Server every time an API is accessed.
+To speed up the token validation process, the Node periodically fetches the Authorization Server's public keys, typically once every hour. The public keys allow the Node to perform local token validation without having to contact the Authorization Server every time an API is accessed.
 
 A similar idea is also applied to how Nodes perform node registration. The Registry obtains the public keys from the Authorization Server, and the Node obtains the registration access token from the Authorization Server. The Node embeds the token into the registration request for Node registration, and Registry heartbeats.