Coolant bleed points (9HXC)

[MixerFistit]

Happy New Year all!

I've changed the cam belt and waterpump recently and just want to confirm the bleed points on my system.

I can only find one at the back on the heater matrix. The radiator and thermostat seem to have return pipes where the dust caps are on all of the images I've seen on various forums/YouTube.
She was getting a bit warm until I bled the heater matrix but and there was a good 15 seconds of air in there and the temps have now stabalised but just wanted to double check.
Am I right in thinking this is the only point and the other 2 are some sort of auto bleed pipes?

[MixerFistit]

I've had no overheating issues since my original post so if anyone else stumbles across this, doing the above seems to have been all that was needed.