diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 698b0082ae..585888bca2 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -9332,6 +9332,17 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-SDK_VENDOR'><glossterm><imagedata fileref="figures/define-generic.png" />SDK_VENDOR</glossterm>
+            <info>
+                SDK_VENDOR[doc] = "Specifies the name of the SDK vendor."
+            </info>
+            <glossdef>
+                <para>
+                    Specifies the name of the SDK vendor.
+                </para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-SDKIMAGE_FEATURES'><glossterm><imagedata fileref="figures/define-generic.png" />SDKIMAGE_FEATURES</glossterm>
             <info>
                 SDKIMAGE_FEATURES[doc] = "Equivalent to IMAGE_FEATURES. However, this variable applies to the SDK generated from an image using the command 'bitbake -c populate_sdk imagename'."