That is quite misleading as it has been. It is part of the ASD in these days [1, 2].

[1]: https://rarediseases.info.nih.gov/diseases/5855/asperger-syn...

[2]: Mirkovic B, Gérardin P (April 2019). "Asperger's syndrome: What to consider?". L'Encéphale. 45 (2): 169–174. doi:10.1016/j.encep.2018.11.005. PMID 30736970. S2CID 73452546. "Asperger's syndrome is a neurodevelopmental disorder that is part of the large family of autism spectrum disorders."