hyphenate OS

Author: adamltyson

docs/source/open-software-summer-school/index.md

@@ -6,7 +6,7 @@ place in **August 2026** at the [Sainsbury Wellcome Centre](https://maps.app.goo
 in **London, UK**. This event will bring together researchers, developers, and users of open-source software for some hands-on training, community-building and hacking.
 
 [The 2025 event](2025/index) (known as Open Software Week) brought together 44 attendees from 12 countries to learn 
-about open source approaches for handling large images, processing microscopy data and analysing video behavioural data. 
+about open-source approaches for handling large images, processing microscopy data and analysing video behavioural data. 
 In 2026, we will return, with an expanded two-week program adding a new *Extracellular Electrophysiology* track, 
 additional satellite events, guest lectures and opportunities for researchers to present their own work.