diff --git a/doc/bitbake-user-manual/bitbake-user-manual-metadata.rst b/doc/bitbake-user-manual/bitbake-user-manual-metadata.rst
index 18f293f4b..c93845f01 100644
--- a/doc/bitbake-user-manual/bitbake-user-manual-metadata.rst
+++ b/doc/bitbake-user-manual/bitbake-user-manual-metadata.rst
@@ -1272,6 +1272,19 @@ Running ``do_foo`` prints the following::
 You can use the ``bitbake -e recipename`` command to view the final
 assembled function after all overrides have been applied.
 
+Limitations
+^^^^^^^^^^^
+
+#. Arithmetic expansion is not supported. This means you cannot do:
+
+    .. code-block:: shell
+
+       VAR=$(( i + 1 ))
+
+    See `https://bugzilla.yoctoproject.org/show_bug.cgi?id=11314`__
+
+#. The ``[[`` conditional command is not supported (it also is not valid POSIX shell).
+
 BitBake-Style Python Functions
 ------------------------------
 
