mini fm transmitter ground antenna connection?

hello, I consider this small fm transmitter. Is one connects an external antenna, the ground of this antenna goes to vcc or to the gnd?
I am sure it goes to the gnd but the instructions from anothe vendor state the vcc?

it should go to the negative rail along the bottom of the diagram, which has terminal 5. Terminal 1 could also be going to that point
for some reason thay missed that out

In practice for this unit its not something you really need to worry about, you should just be using a telescopic whip for the antenna to the terminal 4 position. Then adjust the length of the whip so its a 1/4 wavelength at the freq you are going to use

cheers
Dave