--- dpkg-1.18.4/scripts/dpkg-scansources.pl.orig	2016-03-18 18:32:53.873596468 +0100
+++ dpkg-1.18.4/scripts/dpkg-scansources.pl	2016-03-18 18:33:11.801581679 +0100
@@ -85,9 +85,9 @@
 Options:
   -n, --no-sort            don't sort by package before outputting.
   -e, --extra-override <file>
-                           use extra override file.
+""                           use extra override file.
   -s, --source-override <file>
-                           use file for additional source overrides, default
+""                           use file for additional source overrides, default
                            is regular override file with .src appended.
       --debug              turn debugging on.
   -?, --help               show this help message.
--- dpkg-1.18.4/scripts/dpkg-scanpackages.pl.orig	2016-03-18 18:38:53.982309042 +0100
+++ dpkg-1.18.4/scripts/dpkg-scanpackages.pl	2016-03-18 18:39:10.454296279 +0100
@@ -78,7 +78,7 @@
   -h, --hash <hash-list>   only generate hashes for the specified list.
   -m, --multiversion       allow multiple versions of a single package.
   -e, --extra-override <file>
-                           use extra override file.
+""                           use extra override file.
   -M, --medium <medium>    add X-Medium field for dselect multicd access method
   -?, --help               show this help message.
       --version            show the version.