diff --git a/services/collaboration/pkg/config/cs3api.go b/services/collaboration/pkg/config/cs3api.go
index 555999718..776cf8617 100644
--- a/services/collaboration/pkg/config/cs3api.go
+++ b/services/collaboration/pkg/config/cs3api.go
@@ -1,15 +1,17 @@
 package config
 
-// WopiApp defines the available configuration in order to connect to a WOPI app.
+// CS3Api defines the available configuration in order to access to the CS3 gateway.
 type CS3Api struct {
 	Gateway     Gateway     `yaml:"gateway"`
 	DataGateway DataGateway `yaml:"datagateway"`
 }
 
+// Gateway defines the available configuration for the CS3 API gateway
 type Gateway struct {
 	Name string `yaml: "name" env:"OCIS_REVA_GATEWAY;COLLABORATION_CS3API_GATEWAY_NAME" desc:"The service name of the CS3API gateway." introductionVersion:"5.1"`
 }
 
+// DataGateway defines the available configuration for the CS3 API data gateway
 type DataGateway struct {
 	Insecure bool `yaml:"insecure" env:"COLLABORATION_CS3API_DATAGATEWAY_INSECURE" desc:"Connect to the CS3API data gateway insecurely." introductionVersion:"5.1"`
 }
diff --git a/services/collaboration/pkg/config/grpc.go b/services/collaboration/pkg/config/grpc.go
index 06da141ba..b7351bd37 100644
--- a/services/collaboration/pkg/config/grpc.go
+++ b/services/collaboration/pkg/config/grpc.go
@@ -1,6 +1,6 @@
 package config
 
-// Service defines the available grpc configuration.
+// GRPC defines the available grpc configuration.
 type GRPC struct {
 	Addr      string `yaml:"addr" env:"COLLABORATION_GRPC_ADDR" desc:"The bind address of the GRPC service." introductionVersion:"5.1"`
 	Namespace string `yaml:"-"`