diff --git a/src/google/adk/tools/authenticated_function_tool.py b/src/google/adk/tools/authenticated_function_tool.py
index 67cc5885f7..01e44ed000 100644
--- a/src/google/adk/tools/authenticated_function_tool.py
+++ b/src/google/adk/tools/authenticated_function_tool.py
@@ -58,7 +58,7 @@ def __init__(
           the tool doesn't configure any credentials
           (auth_config.raw_auth_credential is missing) or the credentials
           configured is not enough to authenticate the tool (e.g. an OAuth
-          client id and client secrect is configured.) and needs client input
+          client id and client secret are configured) and needs client input
           (e.g. client need to involve the end user in an oauth flow and get
           back the oauth response.)
     """
diff --git a/src/google/adk/tools/base_authenticated_tool.py b/src/google/adk/tools/base_authenticated_tool.py
index 4858e49534..043bc872a6 100644
--- a/src/google/adk/tools/base_authenticated_tool.py
+++ b/src/google/adk/tools/base_authenticated_tool.py
@@ -57,7 +57,7 @@ def __init__(
           the tool doesn't configure any credentials
           (auth_config.raw_auth_credential is missing) or the credentials
           configured is not enough to authenticate the tool (e.g. an OAuth
-          client id and client secrect is configured.) and needs client input
+          client id and client secret are configured) and needs client input
           (e.g. client need to involve the end user in an oauth flow and get
           back the oauth response.)
     """