diff --git a/services/app-provider/pkg/config/config.go b/services/app-provider/pkg/config/config.go
index 66e6003e38..15681f07ed 100644
--- a/services/app-provider/pkg/config/config.go
+++ b/services/app-provider/pkg/config/config.go
@@ -59,7 +59,7 @@ type GRPCConfig struct {
 }
 
 type Drivers struct {
-	WOPI WOPIDriver `yaml:"wopi" desc:"driver for the CS3org WOPI server"`
+	WOPI WOPIDriver `yaml:"wopi" desc:"Driver for the CS3org WOPI server"`
 }
 
 type WOPIDriver struct {
diff --git a/services/auth-basic/pkg/config/config.go b/services/auth-basic/pkg/config/config.go
index d9ed81ebb2..e3c2774430 100644
--- a/services/auth-basic/pkg/config/config.go
+++ b/services/auth-basic/pkg/config/config.go
@@ -19,7 +19,7 @@ type Config struct {
 	Reva         *shared.Reva  `yaml:"reva"`
 
 	SkipUserGroupsInToken bool          `yaml:"skip_user_groups_in_token" env:"AUTH_BASIC_SKIP_USER_GROUPS_IN_TOKEN" desc:"Disables the encoding of the user's group memberships in the reva access token. This reduces the token size, especially when users are members of a large number of groups."`
-	AuthProvider          string        `yaml:"auth_provider" env:"AUTH_BASIC_AUTH_PROVIDER" desc:"The auth provider which should be used by the service like 'ldap'."`
+	AuthProvider          string        `yaml:"auth_provider" env:"AUTH_BASIC_AUTH_PROVIDER" desc:"The authentication provider to check if credentials are valid. Supported values are 'ldap' and 'owncloudsql'."`
 	AuthProviders         AuthProviders `yaml:"auth_providers"`
 
 	Supervised bool            `yaml:"-"`
diff --git a/services/groups/pkg/config/config.go b/services/groups/pkg/config/config.go
index ee6a903a69..7b4417e091 100644
--- a/services/groups/pkg/config/config.go
+++ b/services/groups/pkg/config/config.go
@@ -20,7 +20,7 @@ type Config struct {
 
 	SkipUserGroupsInToken bool `yaml:"skip_user_groups_in_token" env:"GROUPS_SKIP_USER_GROUPS_IN_TOKEN" desc:"Disables the loading of user's group memberships from the reva access token."`
 
-	Driver  string  `yaml:"driver" desc:"The driver which should be used by the groups service like 'ldap'."`
+	Driver  string  `yaml:"driver" env:"GROUPS_DRIVER" desc:"The driver which should be used by the groups service. Supported values are 'ldap' and 'owncloudsql'."`
 	Drivers Drivers `yaml:"drivers"`
 
 	Supervised bool            `yaml:"-"`
diff --git a/services/users/pkg/config/config.go b/services/users/pkg/config/config.go
index f109c43737..8591124379 100644
--- a/services/users/pkg/config/config.go
+++ b/services/users/pkg/config/config.go
@@ -20,7 +20,7 @@ type Config struct {
 
 	SkipUserGroupsInToken bool `yaml:"skip_user_groups_in_token" env:"USERS_SKIP_USER_GROUPS_IN_TOKEN" desc:"Disables the loading of user's group memberships from the reva access token."`
 
-	Driver  string  `yaml:"driver" env:"USERS_DRIVER" desc:"The user driver which should be used by the users service. Supported values are 'ldap', 'owncloudsql', 'json' and 'rest'."`
+	Driver  string  `yaml:"driver" env:"USERS_DRIVER" desc:"The driver which should be used by the users service. Supported values are 'ldap' and 'owncloudsql'."`
 	Drivers Drivers `yaml:"drivers"`
 
 	Supervised bool            `yaml:"-"`