README.md in zooppa_api_v3-0.0.4 vs README.md in zooppa_api_v3-0.0.5

@@ -46,10 +46,18 @@
 
 ## Usage
 
 ###Authentication:
 
-`ZOOPPA_API.authenticate('[e-mail]', 'pass')`
+Both authentication return an access token.
+
+Authenticate a user:
+
+`ZOOPPA_API.authenticate_user('[e-mail]', 'pass')`
+
+Authenticate a client app:
+
+`ZOOPPA_API.authenticate_application`
 
 If authentication was successful, it returns the access token (encrypted if encrypt is set to true) or returns JSON with an error key and message.
 
 ###Find a resource