mitoTree is an interactive tool for visualizing and exploring mitochondrial DNA (mtDNA) lineages and their evolutionary relationships, helping users explore genetic diversity and maternal ancestry.
This is true, we should add an "i" icon or highlight the haplogroup names. So that it is clear, that it is not a static list and you can get further information through clicking on the results.
In the haplogroup search output, I'd add an info icon next to each haplogroup name, so that it is clearer that you can obtain further info.