Standardize format release history.
@@ -210,8 +210,8 @@ New Features
`#187 <https://github.com/choderalab/openmmtools/issues/187>`_)
-Release 0.9.4 - Nonequilibrium integrators overhaul
-===================================================
+0.9.4 - Nonequilibrium integrators overhaul
+===========================================
Major changes
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