Fix some comments

Signed-off-by: NinaLua <iturf@sina.cn>

bitcoin/src/blockdata/transaction.rs

@@ -433,7 +433,7 @@ impl TransactionExt for Transaction {
 }
 
 /// Iterates over transaction outputs and for each output yields the length of the scriptPubkey.
-// This exists to hardcode the type of the closure crated by `map`.
+// This exists to hardcode the type of the closure created by `map`.
 pub struct TxOutToScriptPubkeyLengthIter<'a> {
     inner: core::slice::Iter<'a, TxOut>,
 }

bitcoin/src/crypto/key.rs

@@ -997,7 +997,7 @@ impl fmt::Display for FromWifError {
             InvalidBase58PayloadLength(ref e) =>
                 write_err!(f, "decoded base58 data was an invalid length"; e),
             InvalidAddressVersion(ref e) =>
-                write_err!(f, "decoded base58 data contained an invalid address version btye"; e),
+                write_err!(f, "decoded base58 data contained an invalid address version byte"; e),
             Secp256k1(ref e) => write_err!(f, "private key validation failed"; e),
             InvalidWifCompressionFlag(ref e) => write_err!(f, "invalid WIF compression flag";e),
         }

hashes/src/macros.rs

@@ -193,7 +193,7 @@ macro_rules! hash_newtype {
     };
 }
 
-/// Implements string functions using hex for a new type crated with [`crate::hash_newtype`] macro.
+/// Implements string functions using hex for a new type created with [`crate::hash_newtype`] macro.
 ///
 /// Implements:
 ///
@@ -210,7 +210,7 @@ macro_rules! impl_hex_for_newtype {
     }
 }
 
-/// Implements `fmt::Debug` using hex for a new type crated with [`crate::hash_newtype`] macro.
+/// Implements `fmt::Debug` using hex for a new type created with [`crate::hash_newtype`] macro.
 ///
 /// This is provided in case you do not want to use the `hex` feature.
 #[macro_export]