This feature is effectively a <details>/<summary>. Usually they are displayed with as (▶ collapsed) and (▼ expanded) triangles. I do wonder if the circled i ⓘ h

This feature is effectively a <details>/<summary>. Usually they are displayed with as (▶ collapsed) and (▼ expanded) triangles. I do wonder if the circled i ⓘ has more engagement as a well placed triangle/chevron.