small typos fixed

simple_multithread/stress_test.cpp

@@ -49,6 +49,7 @@ class SimpleSubscriberNode : public rclcpp::Node {
 
     void simple_callback(const std_msgs::msg::Header::SharedPtr msg)
     {
+        (void)msg;
         msg_count ++;
     }
 
@@ -62,8 +63,8 @@ int main(int argc, char ** argv)
     rclcpp::init(argc, argv);
 
     int n_subscribers = 20;
-    int wait_time_before_start = 20
-    int experiment_duration = 20
+    int wait_time_before_start = 20;
+    int experiment_duration = 20;
 
     rclcpp::executors::SingleThreadedExecutor::SharedPtr executor =
         std::make_shared<rclcpp::executors::SingleThreadedExecutor>();

simple_parameters/src/simple_parameters_client_node.cpp

@@ -84,6 +84,6 @@ void SimpleParametersClientNode::parameter_events_callback(const rcl_interfaces:
         }
     }
 
-    RCLCPP_INFO(this->get_logger(), "%s", ss.str().c_str())
+    RCLCPP_INFO(this->get_logger(), "%s", ss.str().c_str());
 
 }

simple_security/README.md

@@ -14,7 +14,10 @@ You can try them first, without security enabled.
 
     $ ros2 run simple_subscriber subscriber_main __node:=simple_subscriber
 
-They are communicating on a topic called `my_topic`
+They are communicating on a topic called `my_topic`.
+We are using the ROS2 CLI to overwrite the name of the nodes `__node:=<new_name>`.
+
+If you want to check the source code of these nodes: [simple_publisher](../simple_publisher) and [simple_subscriber](../simple_subscriber).
 
 #### Creating authentication keys