change conflicting endpoint error message to match original one

Author: peterguy

cmd/src/login.go

@@ -52,7 +52,7 @@ Examples:
 				return cmderrors.Usage(fmt.Sprintf("invalid endpoint URL: %s", arg))
 			}
 			if parsed.String() != cfg.endpointURL.String() {
-				return cmderrors.Usage(fmt.Sprintf("endpoint argument %s conflicts with configured endpoint %s", parsed, cfg.endpointURL))
+				return cmderrors.Usage(fmt.Sprintf("The configured endpoint is %s, not %s", cfg.endpointURL, parsed))
 			}
 		}