Update about.md

src/about.md

@@ -11,7 +11,7 @@ chapeau: At Coko, collaboration is everything.
 ## Collaboration
 Collaboration is at the heart of everything that we do. It defines who we are, how we work, and the things we believe in. Like openness, transparency, and treating people with respect. 
 
-Coko is a not-for-profit foundation. The money we make from client projects funds the development of what we call “community products”. These products are developed with the community, for the community, and are freely available for use and re-use. 
+Coko is a not-for-profit foundation. The money we make from client projects funds the development of what we call “community products”. These products are developed with the community, for the community, and are freely available (open source) for use and re-use. 
 
 Here are the principles that guide us: