Update README.md

Author: patman15

README.md

@@ -30,7 +30,7 @@ This integration allows to monitor Bluetooth Low Energy (BLE) battery management
 - JK BMS, Jikong, (HW version >=6 required)
 - Offgridtec LiFePo4 Smart Pro: type A & B (show up as `SmartBat-A`… or `SmartBat-B`…)
 - LiTime, Power Queen, and Redodo batteries
-- Seplos v2 (show up as `BP0`?)
+- Seplos v2 (show up as `BP0?`)
 - Seplos v3 (show up as `SP0`… or `SP1`…)
 - TDT BMS (show up as e.g., `XDZN`…)