Small code example fix
Small code example fix

amorphid/database_cleaner,fajrif/database_cleaner,custora/database_cleaner,ericraio/database_cleaner,yangc5/playlister-sinatra-v-000,awilkening/database_cleaner,yangc5/playlister-sinatra-v-000,reinaris/database_cleaner,glebtv/database_cleaner,simonmorley/database_cleaner,yangc5/playlister-sinatra-v-000,DatabaseCleaner/database_cleaner,yangc5/playlister-sinatra-v-000,yangc5/playlister-sinatra-v-000,DatabaseCleaner/database_cleaner,yangc5/playlister-sinatra-v-000,eliotsykes/database_cleaner,yangc5/playlister-sinatra-v-000