Update hackweek.md

Added sentence contrasting hackweeks with hackathons

Author: emiliom

_pages/hackweek.md

@@ -11,9 +11,13 @@ and computation by providing training in modern data analysis workflows.
 In contrast to conventional academic conferences or workshops, hackweeks are intensive
 and interactive, facilitated by three core components: tutorials on state-of-the-art
 methodologies, peer-learning, and on-site project work in a collaborative environment.
+Compared to hackathons typically focused on software development, hackweeks have a greater 
+focus on learning and open-ended projects as informal education and peer learning opportunities.
 This setup is particularly powerful for sciences that require not only domain-specific
 knowledge but also effective computational workflows to foster rapid exchange of ideas
-and make discovery. This is an excellent match with the nature of oceanographic research
+and make discovery. 
+
+This is an excellent match with the nature of oceanographic research
 where data are large and complex and the community is diverse and collaborative.
 The hackweek model was spearheaded by the successful [*Astro-*](http://astrohackweek.org/2019/),
 [*Neuro-*](https://neurohackweek.github.io/), and [*Geohackweek*](https://geohackweek.github.io/).