diff --git a/docs/miners/supported_types.md b/docs/miners/supported_types.md
index e8f89d98..1706d8f4 100644
--- a/docs/miners/supported_types.md
+++ b/docs/miners/supported_types.md
@@ -107,6 +107,7 @@ details {
                     <li><a href="../antminer/X21#s21-stock">S21 (Stock)</a></li>
                     <li><a href="../antminer/X21#s21_1-stock">S21+ (Stock)</a></li>
                     <li><a href="../antminer/X21#s21_1-hydro-stock">S21+ Hydro (Stock)</a></li>
+                    <li><a href="../antminer/X21#s21_1-hydro-stock">S21+ Hydro (Stock)</a></li>
                     <li><a href="../antminer/X21#s21-pro-stock">S21 Pro (Stock)</a></li>
                     <li><a href="../antminer/X21#t21-stock">T21 (Stock)</a></li>
                     <li><a href="../antminer/X21#s21-hydro-stock">S21 Hydro (Stock)</a></li>
diff --git a/pyasic/miners/factory.py b/pyasic/miners/factory.py
index 9b63605b..1a1f7369 100644
--- a/pyasic/miners/factory.py
+++ b/pyasic/miners/factory.py
@@ -125,6 +125,7 @@ MINER_CLASSES = {
         "ANTMINER BHB68606": BMMinerS21,  # ???
         "ANTMINER S21+": BMMinerS21Plus,
         "ANTMINER S21+ HYD.": BMMinerS21PlusHydro,
+        "ANTMINER S21+ HYD": BMMinerS21PlusHydro,
         "ANTMINER S21 PRO": BMMinerS21Pro,
         "ANTMINER T21": BMMinerT21,
         "ANTMINER S21 HYD.": BMMinerS21Hydro,
diff --git a/pyasic/rpc/btminer.py b/pyasic/rpc/btminer.py
index 65604461..e84cfb10 100644
--- a/pyasic/rpc/btminer.py
+++ b/pyasic/rpc/btminer.py
@@ -1194,7 +1194,7 @@ class BTMinerV3RPCAPI(BaseMinerRPCAPI):
         self.salt = data["msg"]["salt"]
         return self.salt
 
-    async def get_miner_report(self) -> AsyncGenerator[dict]:
+    async def get_miner_report(self) -> AsyncGenerator[dict, None]:
         if self.writer is None:
             await self.connect()