diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index a57c09877a..60984cc8f3 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -390,6 +390,9 @@ system and gives an overview of their function and contents.
    :term:`BB_CURRENTTASK`
       See :term:`bitbake:BB_CURRENTTASK` in the BitBake manual.
 
+   :term:`BB_CURRENT_MC`
+      See :term:`bitbake:BB_CURRENT_MC` in the BitBake manual.
+
    :term:`BB_DEFAULT_TASK`
       See :term:`bitbake:BB_DEFAULT_TASK` in the BitBake manual.