Update content/en/events/isc-2025.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Trueblueaddie

content/en/events/isc-2025.md

@@ -39,7 +39,7 @@ We prioritize fair pricing structures designed to maximize your return on invest
 By sponsoring, you'll be supporting and connecting with the community that's been driving InnerSource adoption and best practices for the past decade.
 For more information about sponsorship opportunities, contact Addie Girouard, Director of Sponsorship at [Addie@InnerSourceCommons.org](mailto:Addie@InnerSourceCommons.org)
 
-### Call for Presentation Now Open
+### Call for Presentations Now Open
 
 This special 24-hour global event celebrates our 10th anniversary with sessions scheduled across three time zones. We warmly welcome proposals from around the world, as sessions will be hosted in Yokohama (Japan), Berlin (Germany), and New York (USA). To reach the widest possible audience, the community will have the option of attending in-person and/or virtually.