typo
diff --git a/levenshtein/levenshtein.go b/levenshtein/levenshtein.go
index 8ff5805..42df438 100644
--- a/levenshtein/levenshtein.go
+++ b/levenshtein/levenshtein.go
@@ -61,7 +61,7 @@
// table used by the Levenshtein algorithm, as described e.g. here:
// http://www.let.rug.nl/kleiweg/lev/
// The reason for putting the creation of the table into a separate function is
-// that is cannot only be used for reading of the edit distance between two
+// that it cannot only be used for reading of the edit distance between two
// strings, but also e.g. to backtrace an edit script that provides an
// alignment between the characters of both strings.
func MatrixForStrings(source []rune, target []rune, op Options) [][]int {
