Since there are only threads that can trend, you could remove the preceding "Thread" and the single quotes, so it matches the "Latest posts" box.
e.g.
FreeBSD development seems lost
vs
Thread 'FreeBSD development seems lost'
The former is beautiful, the latter is ugly.
e.g.
FreeBSD development seems lost
vs
Thread 'FreeBSD development seems lost'
The former is beautiful, the latter is ugly.