- NULL,
- "List all tags found in the database.",
- "\t\tThis command returns an alphabetically sorted list of all tags\n"
- "\t\tthat are present in the database. In other words, the resulting\n"
- "\t\tlist is a collection of all tags from all messages." },
+ "[<search-terms> [...] ]",
+ "\t\tList all tags found in the database or matching messages.",
+ "\t\tRun this command without any search-term(s) to obtain a list\n"
+ "\t\tof all tags found in the database. If you provide one or more\n"
+ "\t\tsearch-terms as argument(s) then the resulting list will\n"
+ "\t\tcontain tags only from messages that match the search-term(s).\n"
+ "\n"
+ "\t\tIn both cases the list will be alphabetically sorted." },