diff --git a/docs/misra/rules.rst b/docs/misra/rules.rst
index a88c284e7d..11b9c42b70 100644
--- a/docs/misra/rules.rst
+++ b/docs/misra/rules.rst
@@ -32,6 +32,9 @@ violations are meant to be documented as deviations, while some others
should be fixed. Both compliance and documenting deviations on the
existing codebase are work-in-progress.
+The list below might need to be updated over time. Reach out to THE REST
+maintainers if you want to suggest a change.
+
.. list-table::
:header-rows: 1
@@ -90,6 +93,18 @@ existing codebase are work-in-progress.
behaviour
-
+ * - `Rule 1.4 `_
+ - Required
+ - Emergent language features shall not be used
+ - Emergent language features, such as C11 features, should not be
+ confused with similar compiler extensions, which we use. When the
+ time comes to adopt C11, this rule will be revisited.
+
+ * - `Rule 2.1 `_
+ - Required
+ - A project shall not contain unreachable code
+ -
+
* - `Rule 2.6 `_
- Advisory
- A function should not contain unused label declarations