Typo in version release date

Author: lindonroberts

docs/history.rst

@@ -15,7 +15,7 @@ Version 1.0.2 (20 Jun 2018)
 * Extra optional input :code:`args` which passes through arguments for :code:`objfun` (pull request from `logangrado <https://github.com/logangrado>`_).
 * Bug fixes: default parameters for reduced initialization cost regime, returning correct value from safety steps, retrieving dependencies during installation.
 
-Version 1.1a0 (13 Jul 2018)
+Version 1.1a0 (17 Jul 2018)
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 * Extra parameters to control the trust region radius over multiple restarts, designed for global optimization.
 * New input flag :code:`seek_global_minimum` to set sensible default parameters for global optimization. New example script to demonstrate this functionality.