Updated typo in year

Change-Id: Ib44c5993721addec1a5fa710524bcd9ca5ceaad6
Signed-off-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>
diff --git a/development/plans/freeze_plan_4_20.php b/development/plans/freeze_plan_4_20.php
index 384f54c..3acf2f1 100644
--- a/development/plans/freeze_plan_4_20.php
+++ b/development/plans/freeze_plan_4_20.php
@@ -89,7 +89,7 @@
 	            <td></td>
 	          </tr>
 	          <tr>
-	            <td>June 2020</td>
+	            <td>June 2021</td>
 	          </tr>
 			  <tr>
 	            <td class="spacer">&nbsp;</td>