diff --git a/doc/source/_themes/releases/series_status_table.tmpl b/doc/source/_themes/releases/series_status_table.tmpl
index 8ec03dec14..bc2534989c 100644
--- a/doc/source/_themes/releases/series_status_table.tmpl
+++ b/doc/source/_themes/releases/series_status_table.tmpl
@@ -17,7 +17,7 @@
      * EOL Date
 {%- for series in data %}
    - * :doc:`{{ series['name'] }}/index`
-     * {{ phase_link(series['status']) }}
+     * {{ phase_link(series['status']) }} {%- if series['status'] == 'extended maintenance' %} (see :ref:`note <extended-maintenance-note>` below) {%- endif %}
      * {{ series['initial-release'] }} {%- if series['status'] in ['development', 'future'] %} *estimated* :doc:`(schedule) <{{ series['name'] }}/schedule>`{%- endif %}
      * {% if series['next-phase'] %}{{ phase_link(series['next-phase']['status']) }} *{% if 'date' in series['next-phase'] %}estimated {{ series['next-phase']['date'] }}{% else %}TBD{% endif %}*{% endif %}
      * {{ series.get('eol-date', '') }}
diff --git a/doc/source/index.rst b/doc/source/index.rst
index b3299983ef..b02be0f607 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -46,8 +46,17 @@ updates.
    austin/index
    releases/*
 
-Note: The schedule of `Maintenance phases`_ changed during Ocata.
-The `old phases`_ were used until Newton.
+.. note::
+   The schedule of `Maintenance phases`_ changed during Ocata.
+   The `old phases`_ were used until Newton.
+
+.. _extended-maintenance-note:
+
+.. note::
+   If a branch is marked as Extended Maintenance, that means individual
+   projects can be in state *Maintained*, *Unmaintained* or *End of Life* on
+   that branch. Please check specific project about its actual status on the
+   given branch.
 
 .. _Maintenance phases: https://docs.openstack.org/project-team-guide/stable-branches.html#maintenance-phases
 .. _old phases: https://github.com/openstack/project-team-guide/blob/1c837bf0~/doc/source/stable-branches.rst