Fix take_while_m_n macro example
@@ -256,7 +256,7 @@ macro_rules! take_while1 (
/// # #[macro_use] extern crate nom;
/// # use nom::character::is_alphanumeric;
/// # fn main() {
-/// named!( alpha, take_while!( is_alphanumeric ) );
+/// named!( alpha, take_while_m_n!(3, 6, is_alphanumeric ) );
///
/// let r = alpha(&b"abcd\nefgh"[..]);
/// assert_eq!(r, Ok((&b"\nefgh"[..], &b"abcd"[..])));
