diff --git a/general/sysutils/pkgconfig.xml b/general/sysutils/pkgconfig.xml
index 8036d59ba8..845979b1ae 100644
--- a/general/sysutils/pkgconfig.xml
+++ b/general/sysutils/pkgconfig.xml
@@ -61,6 +61,15 @@
   <sect2 role="installation">
     <title>Installation of Pkgconfig</title>
 
+    <note>
+      <para>These instructions back port the bug fix from
+      <application>pkg-config</application>-0.18.1. The 0.18.1 version
+      incorporates name changes that are, perhaps, to be reverted.  If you
+      prefer to use 0.18.1, you should not run the <command>sed</command> command
+      and you must add <filename class="directory">/usr/lib/pkgconfig</filename>
+      to your <envar>PKG_CONFIG_PATH</envar>.</para>
+    </note>
+
     <para>Install <application>pkgconfig</application> by running the following
     commands:</para>