diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index fa4995b79c..df0b8e7459 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -3258,8 +3258,16 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
         <glossentry id='var-TARGET_ARCH'><glossterm>TARGET_ARCH</glossterm>
             <glossdef>
                 <para>The architecture of the device being built.
-                While a number of values are possible, the OpenEmbedded build system primarily supports
-                <filename>arm</filename> and <filename>i586</filename>.</para>
+                    The OpenEmbedded build system supports the following
+                    architectures:
+                    <literallayout class='monospaced'>
+     arm
+     mips
+     ppc
+     x86
+     x86-64
+                    </literallayout>
+                </para>
             </glossdef>
         </glossentry>