Fix several spelling mistakes

Author: petyaslavova

redis/asyncio/sentinel.py

@@ -227,7 +227,7 @@ async def execute_command(self, *args, **kwargs):
         once = bool(kwargs.pop("once", False))
 
         # Check if command is supposed to return the original
-        # responces instead of boolean value.
+        # responses instead of boolean value.
         return_responses = bool(kwargs.pop("return_responses", False))
 
         if once:

redis/commands/sentinel.py

@@ -32,7 +32,7 @@ def sentinel_masters(self):
 
         Important: This function is called by the Sentinel implementation and is
         called directly on the Redis standalone client for sentinels,
-        so it doesn'tsupport the "once" and "return_responses" options.
+        so it doesn't support the "once" and "return_responses" options.
         """
         return self.execute_command("SENTINEL MASTERS")
 
@@ -60,7 +60,7 @@ def sentinel_slaves(self, service_name):
 
         Important: This function is called by the Sentinel implementation and is
         called directly on the Redis standalone client for sentinels,
-        so it doesn'tsupport the "once" and "return_responses" options.
+        so it doesn't support the "once" and "return_responses" options.
         """
         return self.execute_command("SENTINEL SLAVES", service_name)
 

redis/sentinel.py

@@ -258,7 +258,7 @@ def execute_command(self, *args, **kwargs):
         once = bool(kwargs.pop("once", False))
 
         # Check if command is supposed to return the original
-        # responces instead of boolean value.
+        # responses instead of boolean value.
         return_responses = bool(kwargs.pop("return_responses", False))
 
         if once: