final cppcheck and note on tutorial

Signed-off-by: Louise Poubel <[email protected]>
gazebosim · Jun 23, 2020 · 8df6f35 · 8df6f35
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diff --git a/src/plugins/key_publisher/KeyPublisher.cc b/src/plugins/key_publisher/KeyPublisher.cc
@@ -15,12 +15,10 @@
  *
 */
 
-#include <iostream>
-
+#include <ignition/msgs/int32.pb.h>
 #include <ignition/gui/Application.hh>
 #include <ignition/gui/MainWindow.hh>
 #include <ignition/plugin/Register.hh>
-#include <ignition/msgs/int32.pb.h>
 
 #include "KeyPublisher.hh"
 

diff --git a/tutorials/03_plugins.md b/tutorials/03_plugins.md
@@ -68,6 +68,14 @@ Echo messages from an Ignition Transport topic.
 
  ign gui -c examples/config/pubsub.config
 
+### Key publisher
+
+Publish key presses through Ignition Transport.
+
+ ign gui -c examples/config/keypublisher.config
+
+Change the topic to echo to `/keyboard/keypress`, echo, and start pressing keys.
+
 ### Topic viewer
 
 **Not ported to versions 1 or higher yet**