Merge #231: chore: typo fix in description

ad31b86 chore: typo fix in description (Dmitry)

Pull request description:

  just fixed a typo - "posses" should be "possess".
  nothing else changed.


ACKs for top commit:
  clarkmoody:
    ACK ad31b86


Tree-SHA512: 615b18e10e538ecef2070c20b12408b14bc0d5ad94e2530124b8b0c98514af9f3289d03cd581baab3afe398ee42edbf8c7db816aa093e025c30d8300fa06a1d2

Author: apoelstra

src/segwit.rs

@@ -4,7 +4,7 @@
 //!
 //! [BIP-173] and [BIP-350] contain some complexity. This module aims to allow you to create modern
 //! Bitcoin addresses correctly and easily without intimate knowledge of the BIPs. However, if you
-//! do posses such knowledge and are doing unusual things you may prefer to use the `primitives`
+//! do possess such knowledge and are doing unusual things you may prefer to use the `primitives`
 //! submodules directly.
 //!
 //! # Examples