diff --git a/README.md b/README.md
index 072f72c..59394a3 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ gantt
     beta     :124b, 2022-11-14, 2022-12-31
     release  :after 124b, 2023-04-01
     section 1.25
-    beta     :125b, 2023-02-01, 2022-02-28
+    beta     :125b, 2023-02-01, 2023-02-28
     release  :after 125b, 2023-07-01
 ```