message: syntax/doc: fix 'their' typo
diff: @@ -52,7 +52,7 @@ for extreme optimization, and therefore, use of `unsafe`.
  The standard for using `unsafe` in this crate is extremely high because this
  crate is intended to be reasonably safe to use with user supplied regular
  -expressions. Therefore, while their may be bugs in the regex parser itself,
  +expressions. Therefore, while there may be bugs in the regex parser itself,
  they should _never_ result in memory unsafety unless there is either a bug
  in the compiler or the standard library. (Since `regex-syntax` has zero
  dependencies.)
  