fix comments

Signed-off-by: Alberto Soragna <[email protected]>

Author: alsora

rclcpp/include/rclcpp/experimental/subscription_intra_process_base.hpp

@@ -149,7 +149,6 @@ class SubscriptionIntraProcessBase : public rclcpp::Waitable
   }
 
   /// Unset the callback registered for new messages, if any.
-  RCLCPP_PUBLIC
   void
   clear_on_ready_callback() override
   {

rclcpp/include/rclcpp/qos_event.hpp

@@ -147,7 +147,6 @@ class QOSEventHandlerBase : public Waitable
    *
    * \param[in] callback functor to be called when a new event occurs
    */
-  RCLCPP_PUBLIC
   void
   set_on_ready_callback(std::function<void(size_t, int)> callback) override
   {
@@ -198,7 +197,6 @@ class QOSEventHandlerBase : public Waitable
   }
 
   /// Unset the callback registered for new events, if any.
-  RCLCPP_PUBLIC
   void
   clear_on_ready_callback() override
   {

rclcpp/include/rclcpp/waitable.hpp

@@ -206,9 +206,9 @@ class Waitable
 
   /// Set a callback to be called whenever the waitable becomes ready.
   /**
-   * The callback receives a size_t which is the number of responses received
+   * The callback receives a size_t which is the number of times the waitable was ready
    * since the last time this callback was called.
-   * Normally this is 1, but can be > 1 if responses were received before any
+   * Normally this is 1, but can be > 1 if waitable was triggered before any
    * callback was set.
    *
    * The callback also receives an int identifier argument.