diff --git a/documentation/ref-manual/introduction.xml b/documentation/ref-manual/introduction.xml
index 7ede2fb611..6a50aa767f 100644
--- a/documentation/ref-manual/introduction.xml
+++ b/documentation/ref-manual/introduction.xml
@@ -384,6 +384,11 @@
      $ sudo zypper install python-GitPython
                         </literallayout></para></listitem>
                 </itemizedlist>
+                <note>
+                    Sanity testing and
+                    <ulink url='https://en.opensuse.org/Portal:Wicked'>Wicked</ulink>
+                    do not work reliably together.
+                </note>
             </para>
         </section>