Fix bad ref in docs
This bug was the original reason for all this docs CI work
@@ -42,7 +42,7 @@ ShortString Types
^^^^^^^^^^^^^^^^^
A ``ShortString`` type field is just like ``String`` types except that dedupe
-will not try to learn an :ref:`index-block-label` rule for these fields, which can
+will not try to learn any :ref:`index blocking rules <index-blocks-label>` for these fields, which can
speed up the training phase considerably.
Zip codes and city names are good candidates for this type. If in doubt,
