diff --git a/src/google/adk/agents/invocation_context.py b/src/google/adk/agents/invocation_context.py
index 46ec663..f703715 100644
--- a/src/google/adk/agents/invocation_context.py
+++ b/src/google/adk/agents/invocation_context.py
@@ -39,9 +39,9 @@ class LlmCallsLimitExceededError(Exception):
 class _InvocationCostManager(BaseModel):
   """A container to keep track of the cost of invocation.
 
-  While we don't expected the metrics captured here to be a direct
-  representatative of monetary cost incurred in executing the current
-  invocation, but they, in someways have an indirect affect.
+  While we don't expect the metrics captured here to be a direct
+  representative of monetary cost incurred in executing the current
+  invocation, they in some ways have an indirect effect.
   """
 
   _number_of_llm_calls: int = 0
diff --git a/src/google/adk/agents/sequential_agent.py b/src/google/adk/agents/sequential_agent.py
index 91b0013..845dd5a 100644
--- a/src/google/adk/agents/sequential_agent.py
+++ b/src/google/adk/agents/sequential_agent.py
@@ -27,7 +27,7 @@ from .llm_agent import LlmAgent
 
 
 class SequentialAgent(BaseAgent):
-  """A shell agent that run its sub-agents in sequence."""
+  """A shell agent that runs its sub-agents in sequence."""
 
   @override
   async def _run_async_impl(
@@ -43,11 +43,11 @@ class SequentialAgent(BaseAgent):
   ) -> AsyncGenerator[Event, None]:
     """Implementation for live SequentialAgent.
 
-    Compared to non-live case, live agents process a continous streams of audio
-    or video, so it doesn't have a way to tell if it's finished and should pass
-    to next agent or not. So we introduce a task_completed() function so the
+    Compared to the non-live case, live agents process a continuous stream of audio
+    or video, so there is no way to tell if it's finished and should pass
+    to the next agent or not. So we introduce a task_completed() function so the
     model can call this function to signal that it's finished the task and we
-    can move on to next agent.
+    can move on to the next agent.
 
     Args:
       ctx: The invocation context of the agent.
@@ -66,10 +66,10 @@ class SequentialAgent(BaseAgent):
         # Use function name to dedupe.
         if task_completed.__name__ not in sub_agent.tools:
           sub_agent.tools.append(task_completed)
-          sub_agent.instruction += f"""If you finished the user' request
-          according to its description, call {task_completed.__name__} function
+          sub_agent.instruction += f"""If you finished the user's request
+          according to its description, call the {task_completed.__name__} function
           to exit so the next agents can take over. When calling this function,
-          do not generate any text other than the function call.'"""
+          do not generate any text other than the function call."""
 
     for sub_agent in self.sub_agents:
       async for event in sub_agent.run_live(ctx):