find a show/series to update...TIPS: Use sql wilcards to for multiple results, for example name% or
%name% overall all channels. This can also be used to limit results on
a particular channel eg A%. The actions for modifying programme
descriptions, are IFBLANK .. (default) replaces the guide data description
only if blank, REPLACE to always replace the description, or AUGMENT to
add content to the description if there is enough room.