From 3f73bbe1e898ce666f1d0c5580a8cb3c5ab61829 Mon Sep 17 00:00:00 2001
From: "Tomoya.Fujita" <Tomoya.Fujita@sony.com>
Date: Tue, 30 Jun 2020 11:36:48 +0900
Subject: [PATCH] get rid of unnecessary headers and fix comments.

Signed-off-by: Tomoya.Fujita <Tomoya.Fujita@sony.com>
---
 rclcpp/include/rclcpp/init_options.hpp | 8 +++-----
 rclcpp/src/rclcpp/init_options.cpp     | 2 +-
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/rclcpp/include/rclcpp/init_options.hpp b/rclcpp/include/rclcpp/init_options.hpp
index 8160a7d868..093e12ee58 100644
--- a/rclcpp/include/rclcpp/init_options.hpp
+++ b/rclcpp/include/rclcpp/init_options.hpp
@@ -16,11 +16,9 @@
 #define RCLCPP__INIT_OPTIONS_HPP_
 
 #include <memory>
-#include <limits>
 
 #include "rcl/init_options.h"
 #include "rclcpp/visibility_control.hpp"
-#include "rcutils/get_env.h"
 
 namespace rclcpp
 {
@@ -82,17 +80,17 @@ class InitOptions
   const rcl_init_options_t *
   get_rcl_init_options() const;
 
-  /// Retrieve the ROS_DOMAIN_ID environment variable.
+  /// Retrieve default domain id and set.
   RCLCPP_PUBLIC
   void
   use_default_domain_id();
 
-  /// Set domain id.
+  /// Set the domain id.
   RCLCPP_PUBLIC
   void
   set_domain_id(size_t domain_id);
 
-  /// Return the domain id.
+  /// Return domain id.
   RCLCPP_PUBLIC
   size_t
   get_domain_id() const;
diff --git a/rclcpp/src/rclcpp/init_options.cpp b/rclcpp/src/rclcpp/init_options.cpp
index a05a24d6be..4134c5edad 100644
--- a/rclcpp/src/rclcpp/init_options.cpp
+++ b/rclcpp/src/rclcpp/init_options.cpp
@@ -125,7 +125,7 @@ InitOptions::get_domain_id() const
   size_t domain_id;
   rcl_ret_t ret = rcl_init_options_get_domain_id(init_options_.get(), &domain_id);
   if (RCL_RET_OK != ret) {
-    rclcpp::exceptions::throw_from_rcl_error(ret, "failed to get domain id to rcl init options");
+    rclcpp::exceptions::throw_from_rcl_error(ret, "failed to get domain id from rcl init options");
   }
 
   return domain_id;