misc: update env.example

env.example

@@ -37,10 +37,11 @@ TZ=UTC
 
 
 #
-# JaaS Components configuration
+# JaaS Components (beta)
+# https://jaas.8x8.vc
 #
 
-# Enable JaaS Components configuration
+# Enable JaaS Components (hosted Jigasi)
 #ENABLE_JAAS_COMPONENTS=0
 
 #