diff --git a/man/kpkg.conf.5 b/man/kpkg.conf.5
index f6ee3156..2d2e5d82 100644
--- a/man/kpkg.conf.5
+++ b/man/kpkg.conf.5
@@ -20,6 +20,7 @@ The default configuration file currently looks like this;
 cc=gcc
 cxx=g++
 ccache=false
+verticalSummary=false
 
 [Repositories]
 repoDirs=/etc/kpkg/repos/main /etc/kpkg/repos/lockin
@@ -50,6 +51,9 @@ Defaults to nothing.
 .IP \[bu] 2
 cflags: Sets the CFLAGS environment variable on build.
 Defaults to nothing.
+.IP \[bu] 2
+verticalSummary: Boolean to enable vertical summaries.
+Defaults to \f[C]false\f[R].
 .SS REPOSITORIES
 .IP \[bu] 2
 repoDirs: Repository directories.