DOC: Correct the date of whatsnew v0.23 pandas-dev#21067 (pandas-dev#21069)

peterpanmj · TomAugspurger · commit d63d0152f148 · 2018-05-15T22:02:00.000-05:00
diff --git a/doc/source/whatsnew/v0.23.0.txt b/doc/source/whatsnew/v0.23.0.txt
@@ -1,6 +1,6 @@
 .. _whatsnew_0230:
 
-v0.23.0 (May 15, 2017)
+v0.23.0 (May 15, 2018)
 ----------------------
 
 This is a major release from 0.22.0 and includes a number of API changes,
