ohw26 index page, fix admonition link to applicants page

Author: emiliom

ohw26/index.md

@@ -16,7 +16,7 @@ Apply to OceanHackWeek 2026
 
 Due to current funding limitations for OHW, **this year we are not able to provide free-of-charge lodging and meals to all participants.** to cover shortfalls in lodging and meals support. We're doing everything we can to keep costs low and provide opportunities for additional support to participants with the greatest need.
 
-```{button-link} ./applicants/
+```{button-link} ./applicants
 :color: primary
 :expand:
 :tooltip: Applicant info