Update home.yml

Author: cmaimone

_data/callouts/home.yml

@@ -9,9 +9,9 @@ items:
     link: newsletters/
     link_name: Newsletters
   - title: USRSE'25
-    subtitle: Help make US-RSE's third conference in 2025 great!  Volunteers of all experience levels are needed to join the conference planning committee.
-    link: https://us-rse.org/usrse25/about/organization/
-    link_name: Volunteer
+    subtitle: Our third conference will take place October 6-8, 2025 in Philadelphia, PA.
+    link: https://us-rse.org/usrse25/
+    link_name: Save the Date
   - title: 2024 US-RSE Community Awards Winners Announced
     subtitle: >
       The 2024 Community Awards winners are: Daniel S. Katz for US-RSE Impact