diff --git a/STEM-ProjectPlan.xml b/STEM-ProjectPlan.xml
index 73969af..540fbaf 100644
--- a/STEM-ProjectPlan.xml
+++ b/STEM-ProjectPlan.xml
@@ -4,7 +4,7 @@
 	plan-format="1.0" xmlns="http://www.eclipse.org/project/plan"
 	xmlns:html="http://www.w3.org/1999/xhtml" 
 	name="Spatiotemporal Epidemiological Modeler">
-	<release projectid="technology.stem" version="4.0.1" />
+	<release projectid="technology.stem" version="4.0.2" />
 	<introduction>
 		<html:div>
 			The Spatiotemporal Epidemiological Modeler (STEM) tool is designed to
@@ -26,7 +26,10 @@
 			STEM contains a wealth of prepackaged data in the form of existing
 			disease models and simulations as well as geographic/demographic data
 			for the world.
-			The latest build with bug fixes are available in V4.0.2
+			In response to the Sars-CoV-2 pandemic a new compound error function feature has
+			been added to the Nelder-Mead algorithm used in Automated Experiments. This feature allows
+			users to optimize parameters in their model based on reference daily incidence, cumulative incidence, deaths or 
+			any combination of the three. The latest build with STEM  4 features and bug fixes are available in V4.0.2
 		</html:div>
 	</release_deliverables>
 	<release_milestones>