Please see SMF1.1:Template:Versions/5, SMF2.0:Template:Versions/5 or SMF2.1:Template:Versions/5 depending on the version of SMF you are using.
Please see SMF1.1:Template:Versions/5, SMF2.0:Template:Versions/5 or SMF2.1:Template:Versions/5 depending on the version of SMF you are using.