diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index df6ca481c9..22c1e8ed47 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -4090,8 +4090,7 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                 <para>
                     This variable points to the
                     <ulink url='&YOCTO_DOCS_DEV_URL;#build-directory'>Build Directory</ulink>.
-                    The OpenEmbedded build system uses the Build Directory when
-                    building images.
+                    BitBake automatically sets this variable.
                 </para>
             </glossdef>
         </glossentry>