DOC release dates for 0.20.3

Author: jnothman

doc/index.rst

@@ -209,9 +209,9 @@
                     </li>
                     <li><strong>Scikit-learn 0.21 will drop support for Python 2.7 and Python 3.4.</strong>
                     </li>
-                    <li><em>February 2019.</em> scikit-learn 0.20.3 is available for download (<a href="whats_new.html#version-0-20-3">Changelog</a>).
+                    <li><em>March 2019.</em> scikit-learn 0.20.3 is available for download (<a href="whats_new.html#version-0-20-3">Changelog</a>).
                     </li>
-                    <li><em>December 2018.</em> scikit-learn 0.20.2 is available for download (<a href="whats_new.html#version-0-20-2">Changelog</a>).
+                    <li><em>December 2018.</em> scikit-learn 0.20.2 is available for download (<a href="whats_new.html#version-0-20-2">Changelog</a>)
                     </li>
                     <li><em>September 2018.</em> scikit-learn 0.20.0 is available for download (<a href="whats_new.html#version-0-20-0">Changelog</a>).
                     </li>

doc/whats_new/v0.20.rst

@@ -7,7 +7,7 @@
 Version 0.20.3
 ==============
 
-**??, 2019**
+**March 1, 2019**
 
 This is a bug-fix release with some minor documentation improvements and
 enhancements to features released in 0.20.0.