Fix README links (quantumlib#5802)

README.rst

@@ -23,14 +23,14 @@ Installation and Documentation
 
 Cirq documentation is available at `quantumai.google/cirq <https://quantumai.google/cirq>`_.
 
-Documentation for the latest **pre-release** version of cirq (tracks the repository's master branch; what you get if you ``pip install --pre cirq``), is available at `here <https://quantumai.google/reference/python/cirq/all_symbols?version=nightly>`__.
+Documentation for the latest **pre-release** version of cirq (tracks the repository's master branch; what you get if you ``pip install --pre cirq``), is available `here <https://quantumai.google/reference/python/cirq/all_symbols?version=nightly>`__.
 
-Documentation for the latest **stable** version of cirq (what you get if you ``pip install cirq``) is available at `here <https://quantumai.google/reference/python/cirq/all_symbols>`__.
+Documentation for the latest **stable** version of cirq (what you get if you ``pip install cirq``) is available `here <https://quantumai.google/reference/python/cirq/all_symbols>`__.
 
 
-- `Installation <https://quantumai.google/cirq/install>`_
+- `Installation <https://quantumai.google/cirq/start/install>`_
 - `Documentation <https://quantumai.google/cirq>`_
-- `Tutorials <https://quantumai.google/cirq/tutorials>`_
+- `Tutorials <https://quantumai.google/cirq/build>`_
 
 For a comprehensive list all of the interactive Jupyter Notebooks in our repo (including the ones not yet published to the site) open our repo in `Colab <https://colab.research.google.com/github/quantumlib/Cirq>`_.