diff --git a/README.md b/README.md
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@@ -62,7 +62,7 @@ OSS Vizier's interface consists of [three main APIs](https://oss-vizier.readthed
 
 Additionally, it contains [advanced API](https://oss-vizier.readthedocs.io/en/latest/advanced_topics/index.html) for:
 
-* [**Tensorflow Probability:**](https://oss-vizier.readthedocs.io/en/latest/advanced_topics/index.html#tensorflow-probability) For writing Bayesian Optimization algorithms using Tensorflow Probability and Flax.
+* [**Tensorflow Probability: **](https://oss-vizier.readthedocs.io/en/latest/advanced_topics/index.html#tensorflow-probability) For writing Bayesian Optimization algorithms using Tensorflow Probability and Flax.
 * [**PyGlove:**](https://oss-vizier.readthedocs.io/en/latest/advanced_topics/index.html#pyglove) For large-scale evolutionary experimentation and program search using OSS Vizier as a distributed backend.
 
 Please see OSS Vizier's [ReadTheDocs documentation](https://oss-vizier.readthedocs.io/) for detailed information.