Check if string is palindrome Swift 3

checkIfPalindrome.swift

func isPalindrome(_ word: String) -> Bool {
    let word = word.lowercased().characters.filter{ $0 != " " }
    for (i, character) in word.enumerated() {
        if character != word[word.count-i-1] {
            return false
        }
    }
    return true
}