diff --git a/pam.spec b/pam.spec
index dbdf88e..0f7ff4c 100644
--- a/pam.spec
+++ b/pam.spec
@@ -200,6 +200,17 @@ install -m644 -D %{SOURCE15} %{buildroot}%{_prefix}/lib/tmpfiles.d/pam.conf
 install -m644 -D modules/pam_namespace/pam_namespace.service \
   %{buildroot}%{_unitdir}/pam_namespace.service
 
+# Install doc files to unified location.
+install -d -m 755 %{buildroot}%{_pkgdocdir}/{adg/html,mwg/html,sag/html,txts}
+install -p -m 644 doc/specs/rfc86.0.txt %{buildroot}%{_pkgdocdir}
+install -p -m 644 doc/txts/* %{buildroot}%{_pkgdocdir}/txts
+for i in adg mwg sag; do
+  install -p -m 644 doc/$i/*.txt %{buildroot}%{_pkgdocdir}/$i
+  cp -pr doc/$i/html/* %{buildroot}%{_pkgdocdir}/$i/html
+done
+find %{buildroot}%{_pkgdocdir} -type d | xargs chmod 755
+find %{buildroot}%{_pkgdocdir} -type f | xargs chmod 644
+
 %find_lang Linux-PAM
 
 %check
@@ -334,6 +345,8 @@ done
 %{_mandir}/man8/*
 
 %files devel
+%dir %{_pkgdocdir}
+%doc %{_pkgdocdir}/rfc86.0.txt
 %{_includedir}/security
 %{_mandir}/man3/*
 %{_libdir}/libpam.so
@@ -342,13 +355,9 @@ done
 %{_libdir}/pkgconfig/pam.pc
 %{_libdir}/pkgconfig/pam_misc.pc
 %{_libdir}/pkgconfig/pamc.pc
-%doc doc/mwg/*.txt doc/mwg/html
-%doc doc/adg/*.txt doc/adg/html
-%doc doc/specs/rfc86.0.txt
 
 %files doc
-%doc doc/txts
-%doc doc/sag/*.txt doc/sag/html
+%doc %{_pkgdocdir}
 
 %posttrans
 
@@ -370,6 +379,7 @@ exit 0
 - Remove old cruft from spec file
 - Rename docs sub-package to doc
 - Replace $RPM_BUILD_ROOT with %%{buildroot}
+- Move documentation to %%{_pkgdocdir}
 
 * Thu Sep 23 2021 Björn Esser <besser82@fedoraproject.org> - 1.5.2-5
 - Rebase to pam-redhat-1.1.5