Fix Find/Replace-o; good catch, @FagnerMartinsBrack!

Problem introduced in 6b23a66c29c3613c6792a257aafa949c81746597
fix 'Calcuated' typo & run grunt; thanks @FagnerMartinsBrack

fixes typo introduced in 2b6ec389876fac116ae2a152e47be321632dd9ba
Merge branch '3.0.0-wip' of https://github.com/twbs/bootstrap into develop