@lottos - Thank you for your suggestion! Stripping back to the original template and removing the additional style changes didn't work, but I did
fix it another way! 

Here's a little step by step, just incase anyone else has a similar issue.
In the file 
functions.inc.php (inside the folder 'includes'), find this code:
 
| Quote: | 
| if ( ! empty( $forum['moderator'] ) ) { $list = [];
 $moderators = explode(', ', $forum['moderator']);
 foreach ( $moderators as $moderator ) {
 $list[] = '<a href="member.php?action=viewpro&member='.recodeOut( $moderator
).'">'.$moderator.'</a>';
 }
 $moderators = implode( ', ', $list );
 $forum['moderator'] = "{$lang['textmodby']} $moderators";
 if ( '' !== $forum['description'] ) {
 $forum['moderator'] = '<br />' . $forum['moderator'];
 }
 }
 | 
The <br /> code is the one that we need to remove. 
 
I've changed mine to this, so that the forum moderators are in brackets:
 
| Quote: | 
| if ( ! empty( $forum['moderator'] ) ) { $list = [];
 $moderators = explode(', ', $forum['moderator']);
 foreach ( $moderators as $moderator ) {
 $list[] = '<a href="member.php?action=viewpro&member='.recodeOut( $moderator
).'">'.$moderator.'</a>';
 }
 $moderators = implode( ', ', $list );
 $forum['moderator'] = "{$lang['textmodby']} $moderators";
 if ( '' !== $forum['description'] ) {
 $forum['moderator'] = '(' . $forum['moderator'] . ')';
 }
 }
 | 
I hope this helps!
 
