fix image path (again)

oops, spaces in URLs don't work.
also, apparently putting spaces in image names for images that will be used in web pages is not a good plan.

Author: nlharris

content/posts/2026-03-04-BOSC-registration-support.md

@@ -45,7 +45,7 @@ Awards are made three times a year; the next **deadline is April 1, 2026** (note
 
 ## BOSC Registration Fee Support
 
-![CoFest 2026 participants](/img/2025/bosc2025-img/CoFest - Carlo, Harry, other person working at table - 1.jpeg)
+![CoFest 2026 participants](/img/2025/bosc2025-img/CoFest%20-%20Carlo%2C%20Harry%2C%20other%20person%20working%20at%20table%20-%201.jpeg)
 
 Authors who [submit their work to BOSC](/events/bosc-2025/submit/) can request ISMB registration fee support on the abstract submission form (these requests are not seen by reviewers). This initiative is funded by [sponsorships](/events/sponsors/).