Additional updates to docs links

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/SUPPORT.md b/SUPPORT.md
index 8fec8b2..2ef5b54 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -2,7 +2,7 @@
 
 Here are some useful sources of information about using Mbed TLS:
 
-- [ReadTheDocs](https://tls.mbed.org/kb);
+- [ReadTheDocs](https://mbed-tls.readthedocs.io/);
 - API documentation, see the [Documentation section of the
   README](README.md#License);
 - the `docs` directory in the source tree;