Use mbedtls-2.28 branch for documentation link
@@ -27,7 +27,7 @@ upgrade steps required will be explained in this guide.
It's best to use the latest version of Mbed TLS 2.x for this purpose, which is the 2.28 LTS release.
So 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).
+the instructions in the [Documentation section of the README](https://github.com/Mbed-TLS/mbedtls/blob/mbedtls-2.28/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
