diff --git a/livekit-api/livekit/api/access_token.py b/livekit-api/livekit/api/access_token.py
index baa2b71e..1450ebb8 100644
--- a/livekit-api/livekit/api/access_token.py
+++ b/livekit-api/livekit/api/access_token.py
@@ -42,7 +42,7 @@ class VideoGrants:
     can_publish_data: bool = True
 
     # TrackSource types that a participant may publish.
-    # When set, it supercedes CanPublish. Only sources explicitly set here can be
+    # When set, it supersedes CanPublish. Only sources explicitly set here can be
     # published
     can_publish_sources: List[str] = dataclasses.field(default_factory=list)
 
@@ -154,9 +154,9 @@ def to_jwt(self) -> str:
             {
                 "sub": self.identity,
                 "iss": self.api_key,
-                "nbf": calendar.timegm(datetime.datetime.utcnow().utctimetuple()),
+                "nbf": calendar.timegm(datetime.datetime.now(datetime.timezone.utc).utctimetuple()),
                 "exp": calendar.timegm(
-                    (datetime.datetime.utcnow() + self.ttl).utctimetuple()
+                    (datetime.datetime.now(datetime.timezone.utc) + self.ttl).utctimetuple()
                 ),
             }
         )
diff --git a/livekit-rtc/livekit/rtc/_proto/ffi_pb2.pyi b/livekit-rtc/livekit/rtc/_proto/ffi_pb2.pyi
index 5799ce3f..6af677fe 100644
--- a/livekit-rtc/livekit/rtc/_proto/ffi_pb2.pyi
+++ b/livekit-rtc/livekit/rtc/_proto/ffi_pb2.pyi
@@ -63,7 +63,7 @@ global___LogLevel = LogLevel
 class FfiRequest(google.protobuf.message.Message):
     """**How is the livekit-ffi working:
     We refer as the ffi server the Rust server that is running the LiveKit client implementation, and we
-    refer as the ffi client the foreign language that commumicates with the ffi server. (e.g Python SDK, Unity SDK, etc...)
+    refer as the ffi client the foreign language that communicates with the ffi server. (e.g. Python SDK, Unity SDK, etc...)
 
     We expose the Rust client implementation of livekit using the protocol defined here.
     Everything starts with a FfiRequest, which is a oneof message that contains all the possible
diff --git a/livekit-rtc/livekit/rtc/_proto/handle_pb2.pyi b/livekit-rtc/livekit/rtc/_proto/handle_pb2.pyi
index ce29050f..750b8476 100644
--- a/livekit-rtc/livekit/rtc/_proto/handle_pb2.pyi
+++ b/livekit-rtc/livekit/rtc/_proto/handle_pb2.pyi
@@ -26,13 +26,13 @@ DESCRIPTOR: google.protobuf.descriptor.FileDescriptor
 @typing.final
 class FfiOwnedHandle(google.protobuf.message.Message):
     """# Safety
-    The foreign language is responsable for disposing handles
+    The foreign language is responsible for disposing handles
     Forgetting to dispose the handle may lead to memory leaks
 
     Dropping a handle doesn't necessarily mean that the object is destroyed if it is still used
     on the FfiServer (Atomic reference counting)
 
-    When refering to a handle without owning it, we just use a uint32 without this message. 
+    When referring to a handle without owning it, we just use an uint32 without this message.
     (the variable name is suffixed with "_handle")
     """
 
diff --git a/livekit-rtc/livekit/rtc/participant.py b/livekit-rtc/livekit/rtc/participant.py
index 779e0212..24e83d51 100644
--- a/livekit-rtc/livekit/rtc/participant.py
+++ b/livekit-rtc/livekit/rtc/participant.py
@@ -301,7 +301,7 @@ def register_rpc_method(
         Establishes the participant as a receiver for calls of the specified RPC method.
         Can be used either as a decorator or a regular method.
 
-        The handler will recieve one argument of type `RpcInvocationData` and should return a string response which will be forwarded back to the caller.
+        The handler will receive one argument of type `RpcInvocationData` and should return a string response which will be forwarded back to the caller.
 
         The handler may be synchronous or asynchronous.
 
diff --git a/livekit-rtc/livekit/rtc/video_frame.py b/livekit-rtc/livekit/rtc/video_frame.py
index 3b25924c..1aa2a3d9 100644
--- a/livekit-rtc/livekit/rtc/video_frame.py
+++ b/livekit-rtc/livekit/rtc/video_frame.py
@@ -218,7 +218,7 @@ def _get_plane_length(
     type: proto_video.VideoBufferType.ValueType, width: int, height: int
 ) -> int:
     """
-    Return the size in bytes of a participar video buffer type based on its size (This ignore the strides)
+    Return the size in bytes of a participant video buffer type based on its size (This ignores the strides)
     """
     if type in [
         proto_video.VideoBufferType.ARGB,