Scripting Problem

Hi guys, i was watching quill18creates’s video to make a fps game. link is here : youtu.be/mLAilMkRxYU
he is writing a code in 29:30 . and there is a standby camera appearing like this71281-2.png

I did exactly the same thing like that guy. but i dont have that standby camera option. Can someone help please . ( i know my english is so bad … )

i just restarted unity and its fixed …