fix comments

src/platforms/px4_publisher.h

@@ -32,9 +32,9 @@
  ****************************************************************************/
 
 /**
- * @file px4_nodehandle.h
+ * @file px4_publisher.h
  *
- * PX4 Middleware Wrapper Node Handle
+ * PX4 Publisher API, implements publishing of messages from a nodehandle
  */
 #pragma once
 #if defined(__PX4_ROS)

src/platforms/px4_subscriber.h

@@ -34,7 +34,7 @@
 /**
  * @file px4_subscriber.h
  *
- * PX4 Middleware Wrapper Subscriber
+ * PX4 Subscriber API, implements subscribing to messages from a nodehandle
  */
 #pragma once