Clarify documentation of xTaskNumber in TaskStatus_t.

include/task.h

@@ -161,7 +161,7 @@ typedef struct xTASK_STATUS
 {
     TaskHandle_t xHandle;                         /* The handle of the task to which the rest of the information in the structure relates. */
     const char * pcTaskName;                      /* A pointer to the task's name.  This value will be invalid if the task was deleted since the structure was populated! */
-    UBaseType_t xTaskNumber;                      /* A number unique to the task. */
+    UBaseType_t xTaskNumber;                      /* A number unique to the task. Note that this is not the task number that may be modified using vTaskSetTaskNumber() and uxTaskGetTaskNumber(), but a separate TCB-specific and unique identifier automatically assigned on task generation. */
     eTaskState eCurrentState;                     /* The state in which the task existed when the structure was populated. */
     UBaseType_t uxCurrentPriority;                /* The priority at which the task was running (may be inherited) when the structure was populated. */
     UBaseType_t uxBasePriority;                   /* The priority to which the task will return if the task's current priority has been inherited to avoid unbounded priority inversion when obtaining a mutex.  Only valid if configUSE_MUTEXES is defined as 1 in FreeRTOSConfig.h. */