diff --git a/svg-schema.spec b/svg-schema.spec
index be0cbe9..ded8d35 100644
--- a/svg-schema.spec
+++ b/svg-schema.spec
@@ -19,9 +19,6 @@
 %define regcat %{_bindir}/sgml-register-catalog
 %define all_cat svg-1.0 svg-1.1
 #
-%define INSTALL_DIR install -d -m755
-%define INSTALL_DATA install -m644
-#
 %define sgml_dir %{_datadir}/sgml
 %define sgml_var_dir %{_localstatedir}/lib/sgml
 #
@@ -75,7 +72,7 @@ Summary:        Documentation of SVG Schemas
 Group:          Productivity/Graphics/Other
 
 %description doc
-%{summary} in HTML
+SVG DTD and RELAX NG Schema Documentation in HTML
 
 %prep
 %setup -q -c -T
@@ -92,17 +89,17 @@ find -type f | xargs chmod 644
 
 %install
 # Catalogs:
-%{INSTALL_DIR} %{buildroot}%{xml_sysconf_dir}/catalog.d
+install -d -m755 %{buildroot}%{xml_sysconf_dir}/catalog.d
 #RNG
-%{INSTALL_DIR} %{buildroot}%{xml_mod_rng_dir}/1.1
+install -d -m755 %{buildroot}%{xml_mod_rng_dir}/1.1
 cp rng11/* %{buildroot}%{xml_mod_rng_dir}/1.1
 #DTD
-%{INSTALL_DIR} %{buildroot}%{xml_mod_dtd_dir}/1.{0,1} \
+install -d -m755 %{buildroot}%{xml_mod_dtd_dir}/1.{0,1} \
   %{buildroot}%{sgml_var_dir} %{buildroot}%{sgml_dir} \
   %{buildroot}%{_docdir}/%{name}/{1.0,1.1}
 # Data:
-%{INSTALL_DATA} CATALOG.* %{buildroot}%{sgml_var_dir}
-%{INSTALL_DATA} svg-1.[01].xml %{buildroot}%{xml_sysconf_dir}/catalog.d/
+install -m644 CATALOG.* %{buildroot}%{sgml_var_dir}
+install -m644 svg-1.[01].xml %{buildroot}%{xml_sysconf_dir}/catalog.d/
 
 pushd REC-SVG11-20030114
  cp -a * %{buildroot}%{_docdir}/%{name}/1.1
@@ -131,7 +128,7 @@ pushd svg-dtd-20010904
      "file://%{xml_mod_rng_dir}/1.1/svg11.rng" %{buildroot}%{xml_sysconf_dir}/catalog.d/svg11-rng.xml
 popd
 
-%{INSTALL_DIR} %{buildroot}%{_sysconfdir}/xml
+install -d -m755 %{buildroot}%{_sysconfdir}/xml
 %fdupes %{buildroot}%{_docdir}
 
 %post