Correcting comment

Co-authored-by: Oleksandr Levchenkov <ollevche@gmail.com>
Signed-off-by: AbstractionFactory <179820029+abstractionfactory@users.noreply.github.com>

.github/workflows/index.yml

@@ -2,7 +2,7 @@ name: Index (cron)
 permissions: {}
 on:
   schedule:
-    - cron: "*/15 * * * *" # Run every hour
+    - cron: "*/15 * * * *" # Run every 15 minutes
 concurrency:
   group: index
   cancel-in-progress: false