diff --git a/doc/mk-sbuild.1 b/doc/mk-sbuild.1
index af18602..a270615 100644
--- a/doc/mk-sbuild.1
+++ b/doc/mk-sbuild.1
@@ -38,11 +38,11 @@ Use URL as the debootstrap source (defaults to http://ports.ubuntu.com for lpia,
 official Ubuntu repositories for the supported architectures).
 .TP
 .B \-\-debootstrap\-include=alpha,beta
-Pass along a comma separated list of packages to debootstrap's --include
+Pass along a comma separated list of packages to debootstrap's \-\-include
 argument. See debootstrap (8) for more details.
 .TP
 .B \-\-debootstrap\-exclude=alpha,beta
-Pass along a comma separated list of packages to debootstrap's --exclude
+Pass along a comma separated list of packages to debootstrap's \-\-exclude
 argument. WARNING: be careful using this option as you can end up
 excluding essential package. See debootstrap (8) for more details.
 .TP