Merge #242: doc: fix CheckHrpstring::new reference

6878223 doc: fix CheckHrpstring::new reference (Byron Hambly)

Pull request description:

  Fixes the doc for #241 on the new nightly 
  
  Other option is to specify `CheckedHrpstring::new<Ck: Checksum>(s)` but I thought this looked a bit neater


ACKs for top commit:
  apoelstra:
    ACK 6878223; successfully ran local tests


Tree-SHA512: 136695949d3b692d9ce6af3e61418caf57cd67c5dda50e432bb29b282e0e0236f064c8828ba3d2c53330b36921bb612dc58d8dda7efba726a9fcc923f1aeebd4

Author: apoelstra

src/blech32/decode.rs

@@ -82,7 +82,7 @@ const SEP: char = '1';
 /// checksum in any way.
 ///
 /// Unless you are attempting to validate a string with multiple checksums then you likely do not
-/// want to use this type directly, instead use [`CheckedHrpstring::new(s)`].
+/// want to use this type directly, instead use [`CheckedHrpstring::new`].
 #[derive(Debug)]
 pub struct UncheckedHrpstring<'s> {
     /// The human-readable part, guaranteed to be lowercase ASCII characters.