diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 42a6d3ddc4..ad60b08af4 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -7561,6 +7561,24 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-SSTATE_MIRROR_ALLOW_NETWORK'><glossterm>SSTATE_MIRROR_ALLOW_NETWORK</glossterm>
+            <glossdef>
+                <para>
+                    If set to "1", allows fetches from
+                    mirrors that are specified in
+                    <link linkend='var-SSTATE_MIRRORS'><filename>SSTATE_MIRRORS</filename></link>
+                    to work even when <filename>BB_NO_NETWORK</filename>
+                    is set to "1", which disables fetching from the network.
+                    Using the
+                    <filename>SSTATE_MIRROR_ALLOW_NETWORK</filename>
+                    variable is useful if you have set
+                    <filename>SSTATE_MIRRORS</filename> to point to an
+                    internal server for your shared state cache, but
+                    you want to disable any other fetching from the network.
+                </para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-SSTATE_MIRRORS'><glossterm>SSTATE_MIRRORS</glossterm>
             <glossdef>
                 <para>