Update README.md

Author: nicehashdev

api/README.md

@@ -306,7 +306,7 @@ Response field | Type | Description
 `intensity` | int | Current GPU intensity mode.
 `fans` | array | Information about fans.
 `hw_errors` | int | Number of shares above target generated by this device.
-`hw_errors_success` | array | Number of accepted shares generated by this device.
+`hw_errors_success` | int | Number of accepted shares generated by this device.
 `kernel_times/min` | int | Minimal recent kernel run time in microseconds.
 `kernel_times/max` | int | Maximal recent kernel run time in microseconds.
 `kernel_times/avg` | int | Average recent kernel run time in microseconds.