diff --git a/development/plans/eclipse_project_plan_4_23.xml b/development/plans/eclipse_project_plan_4_23.xml
index aa30b11..1baf216 100644
--- a/development/plans/eclipse_project_plan_4_23.xml
+++ b/development/plans/eclipse_project_plan_4_23.xml
@@ -97,7 +97,7 @@
   <a href="https://wiki.eclipse.org/Category:SimRel-2022-03">
   2022-03 Simultaneous Release</a> train.</p>
 </p:preamble>
-<p:milestone date="2022-01-071" milestone="M1"><div>4.23 M1</div></p:milestone>
+<p:milestone date="2022-01-07" milestone="M1"><div>4.23 M1</div></p:milestone>
 <p:milestone date="2022-01-14" milestone=""><div>Release Record Deadline</div></p:milestone>
 <p:milestone date="2022-01-14" milestone=""><div>CQ Submission Deadline</div></p:milestone>
 <p:milestone date="2022-01-28" milestone="M2"><div>4.23 M2 (only submit I-build)</div></p:milestone>
@@ -115,7 +115,7 @@
 
 <p:milestone date="2022-03-04" milestone=""><div>New and Noteworthy Material Deadline</div></p:milestone>
 <p:milestone date="2022-03-04" milestone="RC2"><div>4.23 RC2</div></p:milestone>
-<p:milestone date="2022-03-17" milestone="GA"><div>4.23 GA</div></p:milestone>
+<p:milestone date="2022-03-16" milestone="GA"><div>4.23 GA</div></p:milestone>
 
 <p:postamble>
 <div>