As long as he didn't say raise AFTER putting out the call amount, that is a valid raise
46: Methods of Raising
In no-limit or pot-limit, a raise must be made by A) pushing out the full amount in one motion; B) verbally declaring the full amount prior to pushing out chips; or C) verbally declaring “raise” prior to pushing out the exact call amount then completing the raise in one additional motion. In option C, if other than the exact call amount but less than a minimum raise is first put out, it will be ruled a minimum raise. It is the responsibility of players to make their intentions clear.