Fix typo in transaction_details README example
Fix typo in transaction_details README example
saizai/coinbase-ruby,saizai/coinbase-ruby,coinbase/coinbase-ruby,davidrv/coinbase-ruby,coinbase/coinbase-ruby,holoiii/coinbase-ruby,davidrv/coinbase-ruby,Jarred-Sumner/coinbase-ruby,holoiii/coinbase-ruby