Fix typo

Author: DavidMStraub

docs/install_setup/v3.md

@@ -3,7 +3,7 @@
 Gramps 6.0 was released on March 19, 2025. Since it uses a new family tree database schema compared to Gramps 5.2, additional steps are necessary when upgrading Gramps Web to be used with Gramps 6.0. This page describes the necessary steps.
 
 !!! info
-    Last updated: May 5, 2025
+    Last updated: May 4, 2025
 
 
 ## Overview of the steps