auditting problem ...(urgent)

 hi I enabled auditting alter any procedure  in db
audit alter any procedure by monitoruser;

then i altered procedure by monitoruser

ALTER PROCEDURE monitoruser.TRYME COMPILE REUSE SETTINGS;

but i see no result regarding this alter procedure ,does anyone know why ?


this is the query i use:

select username,os_username,userhost host,owner,obj_name,action_name action,timestamp time from dba_audit_trail where timestamp>sysdate-2 and obj_name like 'TRYME%';