Add guidance for generating deprecated list
@@ -23,6 +23,10 @@ explain how to upgrade, and should be referred to when migrating code. Where a
migration path is not provided in prior documentation, changes made and the
upgrade steps required will be explained in this guide.
+To generate the documentation, checkout the `mbedtls-2.28` branch and follow
+the instructions in the [Documentation section of the README](https://github.com/Mbed-TLS/mbedtls/blob/development/README.md#documentation).
+Then browse `apidoc/deprecated.html` for guidance on upgrading deprecated code.
+
For some deprecated functions, 2.x documentation will suggest using a variant
suffixed with `_ret`. In Mbed TLS 3.x, this change may not be required, as most
of these variants have been renamed without the suffix. The section
