diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index d5445d6a8f..3be247a7dc 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1243,6 +1243,32 @@
     </para>
 </section>
 
+<section id='ref-classes-ownmirrors'>
+    <title><filename>ownmirrors.bbclass</filename></title>
+
+    <para>
+        The own mirrors (<filename>ownmirrors</filename>) class makes it
+        easier to set up your own
+        <link linkend='var-PREMIRRORS'><filename>PREMIRRORS</filename></link>
+        from which to first fetch source before attempting to fetch it from the
+        upstream specified in
+        <link linkend='var-SRC_URI'><filename>SRC_URI</filename></link>
+        within each recipe.
+    </para>
+
+    <para>
+        To use this class, inherit it globally and specify
+        <link linkend='var-SOURCE_MIRROR_URL'><filename>SOURCE_MIRROR_URL</filename></link>.
+        Here is an example:
+        <literallayout class='monospaced'>
+     INHERIT += "own-mirrors"
+     SOURCE_MIRROR_URL = "http://example.com/my-source-mirror"
+        </literallayout>
+        You can specify only a single URL in
+        <filename>SOURCE_MIRROR_URL</filename>.
+    </para>
+</section>
+
 <section id='ref-classes-pkgconfig'>
     <title>Pkg-config - <filename>pkgconfig.bbclass</filename></title>
 
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index a33595cd6f..5e3edcd937 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -5664,6 +5664,33 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-SOURCE_MIRROR_URL'><glossterm>SOURCE_MIRROR_URL</glossterm>
+            <glossdef>
+                <para>
+                    Defines your own
+                    <link linkend='var-PREMIRRORS'><filename>PREMIRRORS</filename></link>
+                    from which to first fetch source before attempting to fetch
+                    from the upstream specified in
+                    <link linkend='var-SRC_URI'><filename>SRC_URI</filename></link>.
+                </para>
+
+                <para>
+                    To use this variable, you must globally inherit the
+                    <link linkend='ref-classes-ownmirrors'><filename>ownmirrors</filename></link>
+                    class and then provide the URL to your mirrors.
+                    Here is an example:
+                    <literallayout class='monospaced'>
+     INHERIT += "own-mirrors"
+     SOURCE_MIRROR_URL = "http://example.com/my-source-mirror"
+                    </literallayout>
+                    <note>
+                        You can specify only a single URL in
+                        <filename>SOURCE_MIRROR_URL</filename>.
+                    </note>
+                </para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-SPECIAL_PKGSUFFIX'><glossterm>SPECIAL_PKGSUFFIX</glossterm>
             <glossdef>
                 <para>