diff --git a/service/README.md b/service/README.md
index 87e97ce1c6..74947142c9 100644
--- a/service/README.md
+++ b/service/README.md
@@ -96,8 +96,8 @@ contain any special characters. It should be the same as the directory name for
 
 ### Registration
 
-Services are registered with the platform using the `service.RegisterService` function. This function expects to be
-be given a `serviceregistry.Registration` object.
+Services are registered with the platform using the `serviceregistry.RegisterService` function. This function expects to be 
+given a `serviceregistry.IService` object.
 
 <!-- markdownlint-disable MD034 github embedded sourcecode -->
 https://github.com/opentdf/platform/blob/459e82aa3c1d278f5ac5f4835f94d9f3fe90727e/service/pkg/serviceregistry/serviceregistry.go#L48-L55
diff --git a/service/pkg/server/options.go b/service/pkg/server/options.go
index 1bf33612f7..737e1c1348 100644
--- a/service/pkg/server/options.go
+++ b/service/pkg/server/options.go
@@ -88,7 +88,7 @@ func WithBuiltinAuthZPolicy(policy string) StartOptions {
 }
 
 // WithCoreServices option adds additional core services to the platform
-// It takes a variadic parameter of type serviceregistry.Registration, which represents the core services to be added.
+// It takes a variadic parameter of type serviceregistry.IService, which represents the core services to be added.
 func WithCoreServices(services ...serviceregistry.IService) StartOptions {
 	return func(c StartConfig) StartConfig {
 		c.extraCoreServices = append(c.extraCoreServices, services...)
@@ -98,7 +98,7 @@ func WithCoreServices(services ...serviceregistry.IService) StartOptions {
 
 // WithServices option adds additional services to the platform.
 // This will set the mode for these services to the namespace name.
-// It takes a variadic parameter of type serviceregistry.Registration, which represents the services to be added.
+// It takes a variadic parameter of type serviceregistry.IService, which represents the services to be added.
 func WithServices(services ...serviceregistry.IService) StartOptions {
 	return func(c StartConfig) StartConfig {
 		c.extraServices = append(c.extraServices, services...)