diff --git a/nav2_lifecycle_manager/include/nav2_lifecycle_manager/lifecycle_manager.hpp b/nav2_lifecycle_manager/include/nav2_lifecycle_manager/lifecycle_manager.hpp
index b4e541a8ad4f0cf6d24d8511f507d4004b0f4a20..c86758938e4f56404e2da3fb462587245305ec4e 100644
--- a/nav2_lifecycle_manager/include/nav2_lifecycle_manager/lifecycle_manager.hpp
+++ b/nav2_lifecycle_manager/include/nav2_lifecycle_manager/lifecycle_manager.hpp
@@ -33,8 +33,8 @@ namespace nav2_lifecycle_manager
 using nav2_msgs::srv::ManageLifecycleNodes;
 /**
  * @class nav2_lifecycle_manager::LifecycleManager
- * @brief Implements service interface to control the lifecycle nodes of
- * Navigation2 stack. It receives control request and then uses lifecycle
+ * @brief Implements service interface to transition the lifecycle nodes of
+ * Navigation2 stack. It receives transition request and then uses lifecycle
  * interface to change lifecycle node's state.
  */
 class LifecycleManager : public rclcpp::Node
diff --git a/nav2_lifecycle_manager/include/nav2_lifecycle_manager/lifecycle_manager_client.hpp b/nav2_lifecycle_manager/include/nav2_lifecycle_manager/lifecycle_manager_client.hpp
index 5414b988f86760c6aa3b8f813f56fd11edfaa606..3b9f7970d83cd9a270daebd79df720d2ab91fc81 100644
--- a/nav2_lifecycle_manager/include/nav2_lifecycle_manager/lifecycle_manager_client.hpp
+++ b/nav2_lifecycle_manager/include/nav2_lifecycle_manager/lifecycle_manager_client.hpp
@@ -49,46 +49,46 @@ public:
 
   // Client-side interface to the Nav2 lifecycle manager
   /**
-   * @brief Makes start up service call
+   * @brief Make start up service call
    * @return true or false
    */
   bool startup();
   /**
-   * @brief Makes shutdown service call
+   * @brief Make shutdown service call
    * @return true or false
    */
   bool shutdown();
   /**
-   * @brief Makes pause service call
+   * @brief Make pause service call
    * @return true or false
    */
   bool pause();
   /**
-   * @brief Makes resume service call
+   * @brief Make resume service call
    * @return true or false
    */
   bool resume();
   /**
-   * @brief Makes reset service call
+   * @brief Make reset service call
    * @return true or false
    */
   bool reset();
   /**
-   * @brief Checks if lifecycle node manager server is active
+   * @brief Check if lifecycle node manager server is active
    * @return ACTIVE or INACTIVE or TIMEOUT
    */
   SystemStatus is_active(const std::chrono::nanoseconds timeout = std::chrono::nanoseconds(-1));
 
   // A couple convenience methods to facilitate scripting tests
   /**
-   * @brief Sets initial pose with covariance
+   * @brief Set initial pose with covariance
    * @param x X position
    * @param y Y position
    * @param theta orientation
    */
   void set_initial_pose(double x, double y, double theta);
   /**
-   * @brief Sends goal pose to NavigationToPose action server
+   * @brief Send goal pose to NavigationToPose action server
    * @param x X position
    * @param y Y position
    * @param theta orientation