Fix typos in RTOS doxygen.

Author: kegilbert

rtos/Queue.h

@@ -37,7 +37,7 @@ namespace rtos {
  */
 
 /** The Queue class represents a collection of objects that are stored first by
- *  order of priorty, and then in first-in, first-out (FIFO) order.
+ *  order of priority, and then in first-in, first-out (FIFO) order.
  *
  * You can use a queue when you need to store data and then access it in the same
  * order that it has been stored. The order in which you retrieve the data is in

rtos/RtosTimer.h

@@ -88,7 +88,7 @@ class RtosTimer : private mbed::NonCopyable<RtosTimer> {
 public:
     /** Create timer.
       @param   func      function to be executed by this timer.
-      @param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
+      @param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behavior. (default: osTimerPeriodic)
       @param   argument  argument to the timer call back function. (default: NULL)
       @deprecated Replaced with RtosTimer(Callback<void()>, os_timer_type)
       @deprecated
@@ -107,7 +107,7 @@ class RtosTimer : private mbed::NonCopyable<RtosTimer> {
 
     /** Create timer.
       @param   func      function to be executed by this timer.
-      @param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
+      @param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behavior. (default: osTimerPeriodic)
       @deprecated
           The RtosTimer has been superseded by the EventQueue. See RtosTimer.h for more details
 
@@ -123,7 +123,7 @@ class RtosTimer : private mbed::NonCopyable<RtosTimer> {
     /** Create timer.
       @param   obj       pointer to the object to call the member function on.
       @param   method    member function to be executed by this timer.
-      @param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
+      @param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behavior. (default: osTimerPeriodic)
       @deprecated
           The RtosTimer constructor does not support cv-qualifiers. Replaced by
           RtosTimer(callback(obj, method), os_timer_type).