Do a grep with file extension '*.p[ml]'

[atoomic]

Context

When doing a search with '*.p[ml]' for file extension
it also shows file that do not match these extensions like Changes, ...

https://grep.metacpan.org/search?size=20&q=test&qd=&qft=*.p%5Bml%5D

Expected result

only show .pl or .pm files in this example

Current result

seems like no filter is applied to files