modify error messages

Author: sean-breen

internal/grpc/grpc.go

@@ -265,7 +265,7 @@ func retrieveTokenFromFile(path string) (string, error) {
 		return "", errors.New("token file path is empty")
 	}
 
-	slog.Debug("Reading dataplane key from file", "path", path)
+	slog.Debug("Reading token from file", "path", path)
 	var keyVal string
 	keyBytes, err := os.ReadFile(path)
 	if err != nil {
@@ -278,8 +278,7 @@ func retrieveTokenFromFile(path string) (string, error) {
 	keyVal = string(keyBytes)
 
 	if keyVal == "" {
-		slog.Error("failed to load token, please check agent configuration")
-		return "", errors.New("failed to load token, please check agent configuration")
+		return "", errors.New("failed to load token, token file is empty")
 	}
 
 	return keyVal, nil