Am haveing some trouble with my macro, they used to work in DF dont know why they stoped. i use it with Vuhdo (addon) for when tanking so i dont have to target players.
it says in chat 30% Reduced Damage on %m
it used to say the player name i cast it on. any one able to help 
#showtooltip Blessing of Sacrifice
/cast [@mouseover,help,nodead] Blessing of Sacrifice
/opt [@mouseover,help,nodead] /i 30% Reduced Damage on %m; [help] /i 30% Reduced Damage on %t