Fix url

Author: puredanger

content/community/companies.adoc

@@ -175,7 +175,7 @@ Also, check out the <<success_stories#,Clojure Success Stories>> and <<community
 * https://nukomeet.com/[Nukomeet]
 * http://numerical.co.nz/[Numerical Brass Computing]
 * https://ona.io[Ona]
-* https://opencompany.io/[OpenCompany]
+* https://opencompany.com/[OpenCompany]
 * http://OpenSensors.io[OpenSensors.io]
 * http://www.opentable.com/[OpenTable]
 * http://www.oracle.com[Oracle]