diff --git a/apricot/oauth/oauth_client.py b/apricot/oauth/oauth_client.py
index 0baa8f6..5087f7c 100644
--- a/apricot/oauth/oauth_client.py
+++ b/apricot/oauth/oauth_client.py
@@ -91,12 +91,15 @@ def bearer_token(self: Self) -> str:
         try:
             if not self.bearer_token_:
                 log.msg("Requesting a new authentication token from the OAuth backend.")
+                log.msg(f"client_id '{self.session_application._client.client_id}'")
+                log.msg(f"client_secret '{self.client_secret}'")
                 json_response = self.session_application.fetch_token(
                     token_url=self.token_url,
                     client_id=self.session_application._client.client_id,
                     client_secret=self.client_secret,
                 )
                 self.bearer_token_ = self.extract_token(json_response)
+                log.msg(f"bearer_token '{self.bearer_token_}'")
         except Exception as exc:
             msg = f"Failed to fetch bearer token from OAuth endpoint.\n{exc!s}"
             raise RuntimeError(msg) from exc
@@ -164,7 +167,7 @@ def query_(*args: Any, **kwargs: Any) -> requests.Response:
             result.raise_for_status()
         except (TokenExpiredError, requests.exceptions.HTTPError) as exc:
             log.msg(str(exc))
-            log.msg("Authentication token has expired.")
+            log.msg("Authentication token is invalid.")
             self.bearer_token_ = None
             result = query_(*args, **kwargs)
         if result.status_code == HTTPStatus.NO_CONTENT: