AO3-4308 Update claim email text with t's suggestion #4009

Job	Run time
rake db:otwseed	1m 47s
rspec spec/controllers	10m 24s
rspec spec/models	5m 12s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	7m 30s
cucumber features/admins	4m 43s
cucumber features/bookmarks	4m 31s
cucumber features/collections	5m 43s
cucumber features/comments_and_kudos	5m 40s
cucumber features/gift_exchanges	6m 24s
cucumber features/importing	2m 55s
cucumber features/other_a	9m 56s
cucumber features/other_b	5m 51s
cucumber features/prompt_memes_a	3m 53s
cucumber features/prompt_memes_b	3m 33s
cucumber features/prompt_memes_c	4m 59s
cucumber features/search	6m 36s
cucumber features/tag_sets	3m 42s
cucumber features/tags_and_wrangling	5m 44s
cucumber features/users	4m 28s
cucumber features/works	13m 0s
	1h 56m 31s

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