Add documentation to the help command.

findall.lua

@@ -272,12 +272,14 @@ function print_help()
         { '    [!<character1> [!...]]',             '- the names of the characters to exclude from the search.' },
         { '    [<query>]',                          '- the word you are looking for.' },
         { '    [-e<filename>|--export=<filename>]', '- exports the results to a csv file in the data folder.' },
+        { '/findall duplicates',                    '- searches for items that exist in more than 1 container.' },
     }
     local examples = {
         { '/findall thaumas',              '- Search for "thaumas" on all your characters.' },
         { '/findall :alpha :beta thaumas', '- Search for "thaumas" on "alpha" and "beta" characters.' },
         { '/findall :omega',               '- Show all the items stored on "omega".' },
         { '/findall !alpha thaumas',       '- Search for "thaumas" on all your characters except "alpha".' },
+        { '/findall duplicates :alpha bolt',    '- Search for "bolts" that exist in more than 1 storage area on character "alpha".' },
     }
 
     print('\31\200[\31\05' .. _addon.name .. '\31\200]\30\01' .. ' Version ' .. _addon.version)