diff --git a/src/google/adk/evaluation/response_evaluator.py b/src/google/adk/evaluation/response_evaluator.py
index 463f21f..c5da692 100644
--- a/src/google/adk/evaluation/response_evaluator.py
+++ b/src/google/adk/evaluation/response_evaluator.py
@@ -42,7 +42,7 @@ class ResponseEvaluator:
 
     A note on evaluation_criteria:
       `response_match_score`: This metric compares the agents final natural
-        language reponse with the expected final response, stored in the
+        language response with the expected final response, stored in the
         "reference" field in test/eval files. We use Rouge metric to compare the
         two responses.
 
diff --git a/src/google/adk/flows/llm_flows/contents.py b/src/google/adk/flows/llm_flows/contents.py
index e473963..f284755 100644
--- a/src/google/adk/flows/llm_flows/contents.py
+++ b/src/google/adk/flows/llm_flows/contents.py
@@ -310,7 +310,7 @@ def _merge_function_response_events(
     function_response_events: A list of function_response events.
       NOTE: function_response_events must fulfill these requirements: 1. The
         list is in increasing order of timestamp; 2. the first event is the
-        initial function_reponse event; 3. all later events should contain at
+        initial function_response event; 3. all later events should contain at
         least one function_response part that related to the function_call
         event. (Note, 3. may not be true when aync function return some
         intermediate response, there could also be some intermediate model
diff --git a/src/google/adk/tests/unittests/utils.py b/src/google/adk/tests/unittests/utils.py
index 592ff15..2e74db9 100644
--- a/src/google/adk/tests/unittests/utils.py
+++ b/src/google/adk/tests/unittests/utils.py
@@ -231,7 +231,7 @@ class MockModel(BaseLlm):
     if not responses:
       return cls(responses=[])
     elif isinstance(responses[0], LlmResponse):
-      # reponses is list[LlmResponse]
+      # responses is list[LlmResponse]
       return cls(responses=responses)
     else:
       responses = [