See https://github.com/shurcooL/issuesapp/blob/1ff34515467/assets/_data/new-comment.html.tmpl#L33-L34.
This is likely trivial to fix when moving from templates to component-based rendering.
Resolved by https://github.com/shurcooL/issuesapp/commit/e2bfebda617f796b7f25df05ae43e9239ad87481.
See https://github.com/shurcooL/issuesapp/blob/1ff34515467/assets/_data/new-comment.html.tmpl#L33-L34.
This is likely trivial to fix when moving from templates to component-based rendering.