minor comments

Author: howardjohn

site-src/geps/gep-1867.md

@@ -89,12 +89,12 @@ type GatewaySpec struct {
 type GatewayClassSpec struct {
   // Infrastructure defines infrastructure level attributes for all Gateways in this class.
   // A Gateway may provide configuration for the same values; as all fields in GatewayInfrastructure are implementation specific,
-  // the merging logic between these is as well.
+  // the merging logic between these is as well. However, the GatewayClass is generally expected to be providing defaults
+  // rather than overrides
   Infrastructure GatewayInfrastructure `json:"infrastructure"`
   // ...
 }
 
-
 type GatewayInfrastructure struct {
   // AttachTo marks this Gateway as a child to the referenced parent Gateway.
   // See GEP-1713 for details, which this depends on.