diff --git a/docs/customise-client/api.rst b/docs/customise-client/api.rst
index 4eef90709..975db00d2 100644
--- a/docs/customise-client/api.rst
+++ b/docs/customise-client/api.rst
@@ -59,23 +59,23 @@ For instance, here is the customisation used by nextstrain.org:
      }
    }
 
-+--------------------------+------------------------------+----------------------------------------------------+
-| Properties               | CSS string of                | Description                                        |
-+==========================+==============================+====================================================+
-| selectedColor            | color                        | Text color of selected text / button text          |
-+--------------------------+------------------------------+----------------------------------------------------+
-| unselectedColor          | color                        | Text color of unselected text / button text        |
-+--------------------------+------------------------------+----------------------------------------------------+
-| color                    | color                        | Text color of all other text                       |
-+--------------------------+------------------------------+----------------------------------------------------+
-| unselectedBackground (deprecated)     | color                        | Old key for ``alternateBackground``              |
-+--------------------------+------------------------------+----------------------------------------------------+
-| alternateBackground      | color                        | Background color of some elements (unselected toggle, panel section borders)              |
-+--------------------------+------------------------------+----------------------------------------------------+
-| font-family              | font                         | Font used throughout the sidebar                   |
-+--------------------------+------------------------------+----------------------------------------------------+
-| background               | color                        | Background color of the entire sidebar             |
-+--------------------------+------------------------------+----------------------------------------------------+
++-----------------------------------+---------------+------------------------------------------------------------------------------+
+| Properties                        | CSS string of | Description                                                                  |
++===================================+===============+==============================================================================+
+| selectedColor                     | color         | Text color of selected text / button text                                    |
++-----------------------------------+---------------+------------------------------------------------------------------------------+
+| unselectedColor                   | color         | Text color of unselected text / button text                                  |
++-----------------------------------+---------------+------------------------------------------------------------------------------+
+| color                             | color         | Text color of all other text                                                 |
++-----------------------------------+---------------+------------------------------------------------------------------------------+
+| unselectedBackground (deprecated) | color         | Old key for ``alternateBackground``                                          |
++-----------------------------------+---------------+------------------------------------------------------------------------------+
+| alternateBackground               | color         | Background color of some elements (unselected toggle, panel section borders) |
++-----------------------------------+---------------+------------------------------------------------------------------------------+
+| font-family                       | font          | Font used throughout the sidebar                                             |
++-----------------------------------+---------------+------------------------------------------------------------------------------+
+| background                        | color         | Background color of the entire sidebar                                       |
++-----------------------------------+---------------+------------------------------------------------------------------------------+
 
 Components
 ----------