delusion

[Silverobama]

Hi,

This is the definition of delusion from cambridge.dictionary.

when someone believes something that is not true.

Should it be:

when someone believes something that is not true.

Thanks a lot

[mara_ce]

This is the definition of delusion from cambridge.dictionary.

when someone believes something that is not true.

It´s correct. Compare it with the definition provided by Longman dictionary:

delusion: a false belief about yourself or the situation you are in
under a delusion (that)
He is under the delusion that I am going to cheat him.