Modified sugar controller documentation link

Author: skmahe1077

docs/versioned/eventing/faq/README.md

@@ -10,4 +10,4 @@ function: reference
 ## What is a Sugar Controller?
 
 The Sugar Controller is an optional controller which will automatically create and clean up brokers based on the creation/deletion of namespaces and triggers.
-For more information on how to enable and configure the sugar controller, read the [sugar controller documentation](/docs/eventing/sugar).
+For more information on how to enable and configure the sugar controller, read the [sugar controller documentation](../sugar/README.md).