diff --git a/pkg/build.sh b/pkg/build.sh
index 768fc69bf1c13c3f35a304b0e7f4e1ba1e502d86..01d8445a44f89f66a34829ec14818c82eded2e34 100644
--- a/pkg/build.sh
+++ b/pkg/build.sh
@@ -74,7 +74,7 @@ post_ubuntu() {
 # docker-image: fedora:20
 #
 # pre-step:
-# dnf -y install sudo make automake gcc gcc-c++ libtool qt5-qtbase-devel qt5-qtsvg-devel qt5-qtdeclarative-devel rpm-build git curl
+# yum -y install sudo make automake gcc gcc-c++ libtool qt5-qtbase-devel qt5-qtsvg-devel qt5-qtdeclarative-devel rpm-build git curl
 # useradd pkgbuilder
 # chown -R pkgbuilder:pkgbuilder PROJDIR
 # sudo -u pkgbuilder sh PROJDIR/pkg/build.sh fedora