diff --git a/build_tools/make_xml_documentation b/build_tools/make_xml_documentation
index fafb81c376..54144ce8a7 100755
--- a/build_tools/make_xml_documentation
+++ b/build_tools/make_xml_documentation
@@ -224,7 +224,8 @@ for subdir in ${mod_subdirs} ; do
 			if [ "${XMLLINT}" != ":" ] ; then
 				${XMLLINT} --dtdvalid "${source_tree}/doc/appdocsxml.dtd" --path "${source_tree}/doc" --noout "${i}" || { echo "" ; exit 1 ; }
 			else
-				${XMLSTARLET} val -d "${source_tree}/doc/appdocsxml.dtd" "${i}" || { echo "" ; exit 1 ; }
+				${XMLSTARLET} val -q -d "${source_tree}/doc/appdocsxml.dtd" "${i}" ||
+					${XMLSTARLET} val -e -d "${source_tree}/doc/appdocsxml.dtd" "${i}" || { echo "" ; exit 1 ; }
 			fi
 		fi
 		${SED} -r "/^\s*(<[?]xml|<.DOCTYPE|<.?docs)/d" "${i}" >> "${output_file}"
@@ -241,7 +242,8 @@ if [ "${validate}" -eq "1" ] ;then
 	if [ "${XMLLINT}" != ":" ] ; then
 		${XMLLINT} --dtdvalid "${source_tree}/doc/appdocsxml.dtd" --path "${source_tree}/doc" --noout "${output_file}" || exit 1
 	else
-		${XMLSTARLET} val -d "${source_tree}/doc/appdocsxml.dtd" "${output_file}" || exit 1
+		${XMLSTARLET} val -q -d "${source_tree}/doc/appdocsxml.dtd" "${output_file}" ||
+			${XMLSTARLET} val -e -d "${source_tree}/doc/appdocsxml.dtd" "${output_file}" || { echo "" ; exit 1 ; }
 	fi
 fi
 
diff --git a/res/res_pjsip/pjsip_config.xml b/res/res_pjsip/pjsip_config.xml
index 73b77db06f..3e0a6e7083 100644
--- a/res/res_pjsip/pjsip_config.xml
+++ b/res/res_pjsip/pjsip_config.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE docs SYSTEM "appdocsxml.dtd">
-<docs>
+<?xml-stylesheet type="text/xsl" href="appdocsxml.xslt"?>
+<docs xmlns:xi="http://www.w3.org/2001/XInclude">
 	<configInfo name="res_pjsip" language="en_US">
 		<synopsis>SIP Resource using PJProject</synopsis>
 		<configFile name="pjsip.conf">
diff --git a/res/res_pjsip/pjsip_manager.xml b/res/res_pjsip/pjsip_manager.xml
index a0047aaf97..810a5e3ec4 100644
--- a/res/res_pjsip/pjsip_manager.xml
+++ b/res/res_pjsip/pjsip_manager.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE docs SYSTEM "appdocsxml.dtd">
-<docs>
+<?xml-stylesheet type="text/xsl" href="appdocsxml.xslt"?>
+<docs xmlns:xi="http://www.w3.org/2001/XInclude">
 	<manager name="PJSIPQualify" language="en_US">
 		<synopsis>
 			Qualify a chan_pjsip endpoint.