diff --git a/src/agents/_run_impl.py b/src/agents/_run_impl.py
index b5a83685c..d1b1d6e19 100644
--- a/src/agents/_run_impl.py
+++ b/src/agents/_run_impl.py
@@ -720,7 +720,7 @@ def stream_step_result_to_queue(
             elif isinstance(item, HandoffCallItem):
                 event = RunItemStreamEvent(item=item, name="handoff_requested")
             elif isinstance(item, HandoffOutputItem):
-                event = RunItemStreamEvent(item=item, name="handoff_occured")
+                event = RunItemStreamEvent(item=item, name="handoff_occurred")
             elif isinstance(item, ToolCallItem):
                 event = RunItemStreamEvent(item=item, name="tool_called")
             elif isinstance(item, ToolCallOutputItem):
diff --git a/src/agents/agent_output.py b/src/agents/agent_output.py
index 066bbd835..ee14956e3 100644
--- a/src/agents/agent_output.py
+++ b/src/agents/agent_output.py
@@ -38,7 +38,7 @@ def json_schema(self) -> dict[str, Any]:
     @abc.abstractmethod
     def is_strict_json_schema(self) -> bool:
         """Whether the JSON schema is in strict mode. Strict mode constrains the JSON schema
-        features, but guarantees valis JSON. See here for details:
+        features, but guarantees valid JSON. See here for details:
         https://platform.openai.com/docs/guides/structured-outputs#supported-schemas
         """
         pass
diff --git a/src/agents/stream_events.py b/src/agents/stream_events.py
index bd37d11f3..eff345b9d 100644
--- a/src/agents/stream_events.py
+++ b/src/agents/stream_events.py
@@ -31,7 +31,7 @@ class RunItemStreamEvent:
     name: Literal[
         "message_output_created",
         "handoff_requested",
-        "handoff_occured",
+        "handoff_occurred",
         "tool_called",
         "tool_output",
         "reasoning_item_created",