app\templates\user(5).html

#...
<p>Member since {{ moment(user.member_since).format('L') }}. Last seen {{ moment(user.last_seen).fromNow() }}.</p>
<p>
    {% if current_user.can(Permission.FOLLOW) and user != current_user %}
        {% if not current_user.is_following(user) %}
        <a href="{{ url_for('.follow', username=user.username) }}" class="btn btn-primary">Follow</a>
        {% else %}
        <a href="{{ url_for('.unfollow', username=user.username) }}" class="btn btn-default">Unfollow</a>
        {% endif %}
    {% endif %}
    {% if current_user.is_authenticated and user != current_user and user.is_following(current_user) %}
    | <span class="label label-default">Follows you</span>
    {% endif %}
</p>
#...