debian/changelog

+exonerate (2.4.0-4) UNRELEASED; urgency=medium
+
+  * Trim trailing whitespace.
+  * Use secure copyright file specification URI.
+
+ -- Jelmer Vernooij <jelmer@debian.org>  Sat, 20 Oct 2018 20:42:17 +0000
+
 exonerate (2.4.0-3) unstable; urgency=medium
 
   [ Steffen Moeller ]

debian/copyright

-Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Contact: Guy St.C. Slater <guy.slater@gmail.com>
  The following have contributed code to this project:
  (in chronological order)