FIx typo

Author: sfackler

src/message/backend/borrowed.rs

@@ -1,7 +1,7 @@
 //! An allocation-free backend message parser.
 //!
 //! Due to borrow checker deficiencies, this parser is currently very
-//! difficult to use practice.
+//! difficult to use in practice.
 use byteorder::{ReadBytesExt, BigEndian};
 use fallible_iterator::FallibleIterator;
 use std::io;