Fix styling

src/Requests/GetTradingPairsRequestContract.php

@@ -9,9 +9,7 @@ interface GetTradingPairsRequestContract
     /**
      * Get future trading pair details
      *
-     * @param string|null $symbols Trading pairs, comma-separated (e.g., "BTCUSDT,ETHUSDT,XRPUSDT")
-     * @return ResponseInterface
+     * @param  string|null  $symbols  Trading pairs, comma-separated (e.g., "BTCUSDT,ETHUSDT,XRPUSDT")
      */
     public function getTradingPairs(?string $symbols = null): ResponseInterface;
 }
-