diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 827b0cf0eb..ba55a473b3 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -7464,6 +7464,21 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-TEST_LOG_DIR'><glossterm>TEST_LOG_DIR</glossterm>
+            <glossdef>
+                <para>
+                    Holds the SSH log and the boot log for QEMU machines.
+                    The <filename>TEST_LOG_DIR</filename> variable defaults
+                    to <filename>"${WORKDIR}/testimage"</filename>.
+                    <note>
+                        Actual test results reside in the task log
+                        (<filename>log.do_testimage</filename>), which is in
+                        the <filename>${WORKDIR}/temp/</filename> directory.
+                    </note>
+                </para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-TEST_QEMUBOOT_TIMEOUT'><glossterm>TEST_QEMUBOOT_TIMEOUT</glossterm>
             <glossdef>
                 <para>