diff --git a/lxde/desktop/lxde-common.xml b/lxde/desktop/lxde-common.xml
index 88a67c7d56..25be62e877 100644
--- a/lxde/desktop/lxde-common.xml
+++ b/lxde/desktop/lxde-common.xml
@@ -90,7 +90,7 @@
 
     <bridgehead renderas="sect4">Optional Runtime Dependencies</bridgehead>
     <para role="optional">
-      <xref role="runtime" linkend="polkit-gnome"/>,
+      <!-- polkit agent built in lxsession -->
       A notification daemon such as
       <xref role="runtime" linkend="notification-daemon"/> or
       <xref role="runtime" linkend="xfce4-notifyd"/>, and
diff --git a/postlfs/security/polkit.xml b/postlfs/security/polkit.xml
index 1b1efac923..66d0c4b145 100644
--- a/postlfs/security/polkit.xml
+++ b/postlfs/security/polkit.xml
@@ -127,6 +127,19 @@
       <xref role="runtime" linkend="systemd"/>
     </para>
 
+    <bridgehead renderas="sect4">Optional Runtime Dependencies</bridgehead>
+    <para role="optional">
+      One polkit authentication agent for using polkit in the graphical
+      environment:
+      <application>polkit-kde-agent</application> in
+      <xref role="runtime" linkend="plasma5-build"/> for KDE,
+      the agent built in
+      <xref role="runtime" linkend="gnome-shell"/> for GNOME3,
+      <xref role="runtime" linkend="polkit-gnome"/> for XFCE, and
+      <application>lxpolkit</application> in
+      <xref role="runtime" linkend="lxsession"/> for LXDE.
+    </para>
+
     <note>
       <para>
         If <xref linkend="libxslt"/> is installed,
@@ -195,7 +208,7 @@ make</userinput></screen>
             --sysconfdir=/etc    \
             --localstatedir=/var \
             --disable-static     \
-	    --with-os-type=LFS   \
+            --with-os-type=LFS   \
             --enable-libsystemd-login=no &amp;&amp;
 make</userinput></screen>