Updated release date

kaklise · web-flow · commit 243ff0355aac · 2020-06-16T07:30:27.000-06:00
diff --git a/documentation/whatsnew/v0.2.2.1.rst b/documentation/whatsnew/v0.2.2.1.rst
@@ -1,6 +1,6 @@
 .. _whatsnew_0221:
 
-v0.2.2.1
+v0.2.2.1 (June 16, 2020)
 ---------------------------------------------------
 
 * Fixed :class:`~wntr.network.model.WaterNetworkModel.assign_demand`. 
@@ -15,4 +15,4 @@ v0.2.2.1
   
 * Updated tests
 * Updated documentation
-  
+  
