diff --git a/rclcpp/include/rclcpp/parameter_value.hpp b/rclcpp/include/rclcpp/parameter_value.hpp
index fac896ea46..549429aa85 100644
--- a/rclcpp/include/rclcpp/parameter_value.hpp
+++ b/rclcpp/include/rclcpp/parameter_value.hpp
@@ -359,7 +359,7 @@ class ParameterValue
 /// Return the value of a parameter as a string
 RCLCPP_PUBLIC
 std::string
-to_string(const ParameterValue & type);
+to_string(const ParameterValue & value);
 
 }  // namespace rclcpp