Update reference to Bazel installation in optimization README.
@@ -10,7 +10,6 @@ Some pip packages are required by this library, and may need to be installed:
```
pip install absl-py
pip install attr
-pip install bazel
pip install dm-tree
pip install numpy
pip install pandas
@@ -18,6 +17,11 @@ pip install tensorflow
pip install tensorflow-federated
```
+We also require [Bazel](https://www.bazel.build/) in order to run the code.
+Please see the guide
+[here](https://docs.bazel.build/versions/master/install.html) for installation
+instructions.
+
### Directory structure
This directory is broken up into six task directories. Each task directory
