diff --git a/examples/ros2_action_client.html b/examples/ros2_action_client.html
index 304861a47..c3412569a 100644
--- a/examples/ros2_action_client.html
+++ b/examples/ros2_action_client.html
@@ -43,7 +43,7 @@
   var fibonacciClient = new ROSLIB.Action({
     ros : ros,
     name : '/fibonacci',
-    actionType : 'action_tutorials_interfaces/Fibonacci'
+    actionType : 'example_interfaces/Fibonacci'
   });
 
   // Send an action goal
diff --git a/examples/ros2_action_server.html b/examples/ros2_action_server.html
index 55c507b27..aad4a13a2 100644
--- a/examples/ros2_action_server.html
+++ b/examples/ros2_action_server.html
@@ -23,7 +23,7 @@
   var fibonacciServer = new ROSLIB.Action({
     ros : ros,
     name : '/fibonacci',
-    actionType : 'action_tutorials_interfaces/Fibonacci'
+    actionType : 'example_interfaces/Fibonacci'
   });
 
   var actionCallback = function(goal, id) {
@@ -70,7 +70,7 @@ <h1>Fibonacci ActionServer Example</h1>
     <li><tt>refresh this page</tt></li>
     <li><tt>ros2 run action_tutorials_py fibonacci_action_client</tt>
         <br>or<br>
-        <tt>ros2 action send_goal --feedback /fibonacci action_tutorials_interfaces/action/Fibonacci order:\ 20\ </tt>
+        <tt>ros2 action send_goal --feedback /fibonacci example_interfaces/action/Fibonacci order:\ 20\ </tt>
     </li>
   </ol>
 </body>
diff --git a/src/core/Action.js b/src/core/Action.js
index 9e8a8da33..6e75d92e1 100644
--- a/src/core/Action.js
+++ b/src/core/Action.js
@@ -36,7 +36,7 @@ export default class Action extends EventEmitter {
    * @param {Object} options
    * @param {Ros} options.ros - The ROSLIB.Ros connection handle.
    * @param {string} options.name - The action name, like '/fibonacci'.
-   * @param {string} options.actionType - The action type, like 'action_tutorials_interfaces/Fibonacci'.
+   * @param {string} options.actionType - The action type, like 'example_interfaces/Fibonacci'.
    */
   constructor(options) {
     super();