point out
Separable
Draw attention to a fact
She pointed out a mistake in the report.
Separable
The object can go between the verb and the particle: turn the light off, or turn off the light. When the object is a pronoun it must go in the middle: turn it off, never turn off it.
Practise it
Add it to your daily practice or see every verb with up.
Further reading: point out on Wiktionary (CC BY-SA).