Fix bad links in docs

Author: smokestacklightnin

docs/custom_data_validation.md

@@ -6,9 +6,9 @@ freshness: { owner: 'kuochuntsai' reviewed: '2022-11-29' }
 
 TFDV supports custom data validation using SQL. You can run custom data
 validation using
-[validate_statistics](https://github.com/tensorflow/data-validation/blob/master/tensorflow_data_validation/api/validation_api.py;l=236;rcl=488721853)
+[validate_statistics](https://github.com/tensorflow/data-validation/blob/master/tensorflow_data_validation/api/validation_api.py#L236)
 or
-[custom_validate_statistics](https://github.com/tensorflow/data-validation/blob/master/tensorflow_data_validation/api/validation_api.py;l=535;rcl=488721853).
+[custom_validate_statistics](https://github.com/tensorflow/data-validation/blob/master/tensorflow_data_validation/api/validation_api.py#L535).
 Use `validate_statistics` to run standard, schema-based data validation along
 with custom validation. Use `custom_validate_statistics` to run only custom
 validation.

docs/index.md

@@ -65,7 +65,7 @@ ExampleGen, (ii) for all pre-transformed data used by Transform and
 (iii) for all post-transform data generated by Transform. When invoked
 in the context of Transform (ii-iii), statistics options and
 schema-based constraints can be set by defining the
-[`stats_options_updater_fn`](https://tensorflow.github.io/tft/guide).
+[`stats_options_updater_fn`](https://tensorflow.github.io/transform).
 This is particilarly useful when validating unstructured data (e.g. text
 features). See the [user
 code](https://github.com/tensorflow/tfx/blob/master/tfx/examples/bert/mrpc/bert_mrpc_utils.py)