Fix a typo in documentation (#1676)

diff --git a/CMSIS/DoxyGen/RTOS2/src/cmsis_os2_Event.txt b/CMSIS/DoxyGen/RTOS2/src/cmsis_os2_Event.txt
index e5fbe45..686bd22 100644
--- a/CMSIS/DoxyGen/RTOS2/src/cmsis_os2_Event.txt
+++ b/CMSIS/DoxyGen/RTOS2/src/cmsis_os2_Event.txt
@@ -137,7 +137,7 @@
 \code
 #include "cmsis_os2.h"                          // CMSIS RTOS header file
  
-osEventFlagsId_t evt_id;                        // message queue id
+osEventFlagsId_t evt_id;                        // event flags id
  
 int Init_Events (void) {