diff --git a/Formula/signing-party.rb b/Formula/signing-party.rb
index 9038812e7f..f69146094b 100644
--- a/Formula/signing-party.rb
+++ b/Formula/signing-party.rb
@@ -3,7 +3,6 @@ require 'formula'
 class GnupgInstalled < Requirement
   fatal true
   default_formula 'gnupg2'
-
   satisfy { which('gpg') || which('gpg2') }
 end
 
@@ -37,17 +36,15 @@ class SigningParty < Formula
       inreplace 'caff', '/usr/share/doc/signing-party', HOMEBREW_PREFIX/'share/doc/signing-party'
       system "make"
       man1.install Dir['*.1']
-      bin.install 'caff'
-      bin.install 'pgp-clean'
-      bin.install 'pgp-fixkey'
-      (doc+'caff').install Dir['README*', 'caffrc.sample']
+      bin.install 'caff', 'pgp-clean', 'pgp-fixkey'
+      (doc/'caff').install Dir['README*', 'caffrc.sample']
     end
 
     cd 'gpg-key2ps' do
       system "make"
       man1.install 'gpg-key2ps.1'
       bin.install 'gpg-key2ps'
-      (doc+'key2ps').install 'README'
+      (doc/'key2ps').install 'README'
     end
 
     cd 'gpg-mailkeys' do
@@ -57,7 +54,7 @@ class SigningParty < Formula
 
       bin.install 'gpg-mailkeys'
       man1.install 'gpg-mailkeys.1'
-      (doc+'gpg-mailkeys').install ['README', 'example.gpg-mailkeysrc']
+      (doc/'gpg-mailkeys').install 'README', 'example.gpg-mailkeysrc'
     end
 
     cd 'gpglist' do
@@ -75,7 +72,7 @@ class SigningParty < Formula
       system "make"
       man1.install 'gpgsigs.1'
       bin.install 'gpgsigs', 'gpgsigs-eps-helper'
-      (doc+'gpgsigs').install Dir['gpgsigs-lt2k5*.txt']
+      (doc/'gpgsigs').install Dir['gpgsigs-lt2k5*.txt']
     end
 
     cd 'keyanalyze' do
@@ -92,7 +89,7 @@ class SigningParty < Formula
     cd 'sig2dot' do
       bin.install 'sig2dot'
       man1.install 'sig2dot.1'
-      (doc+'sig2dot').install 'README.sig2dot'
+      (doc/'sig2dot').install 'README.sig2dot'
     end
   end
 end