diff --git a/rosidl_typesupport_introspection_c/resource/srv__type_support.c.em b/rosidl_typesupport_introspection_c/resource/srv__type_support.c.em
index 7d8371658..1df98c40c 100644
--- a/rosidl_typesupport_introspection_c/resource/srv__type_support.c.em
+++ b/rosidl_typesupport_introspection_c/resource/srv__type_support.c.em
@@ -61,7 +61,7 @@ function_prefix = '__'.join(include_parts) + '__rosidl_typesupport_introspection
 static rosidl_typesupport_introspection_c__ServiceMembers @(function_prefix)__@(service.namespaced_type.name)_service_members = {
   "@('__'.join([package_name] + list(interface_path.parents[0].parts)))",  // service namespace
   "@(service.namespaced_type.name)",  // service name
-  // these three fields are initialized below on the first access
+  // the following fields are initialized below on first access
   NULL,  // request message
   // @(function_prefix)__@(service.request_message.structure.namespaced_type.name)_message_type_support_handle,
   NULL,  // response message
diff --git a/rosidl_typesupport_introspection_cpp/resource/srv__type_support.cpp.em b/rosidl_typesupport_introspection_cpp/resource/srv__type_support.cpp.em
index 5f497112e..f4595d798 100644
--- a/rosidl_typesupport_introspection_cpp/resource/srv__type_support.cpp.em
+++ b/rosidl_typesupport_introspection_cpp/resource/srv__type_support.cpp.em
@@ -68,7 +68,7 @@ namespace rosidl_typesupport_introspection_cpp
 static ::rosidl_typesupport_introspection_cpp::ServiceMembers @(service.namespaced_type.name)_service_members = {
   "@('::'.join([package_name] + list(interface_path.parents[0].parts)))",  // service namespace
   "@(service.namespaced_type.name)",  // service name
-  // these three fields are initialized below on the first access
+  // the following fields are initialized below on first access
   // see get_service_type_support_handle<@('::'.join([package_name] + list(interface_path.parents[0].parts) + [service.namespaced_type.name]))>()
   nullptr,  // request message
   nullptr,  // response message