diff --git a/Sources/JSONAPI/Document/Document.swift b/Sources/JSONAPI/Document/Document.swift
index 4034969..caad138 100644
--- a/Sources/JSONAPI/Document/Document.swift
+++ b/Sources/JSONAPI/Document/Document.swift
@@ -203,7 +203,7 @@ extension Document where IncludeType == NoIncludes, MetaType == NoMetadata, Link
 }
 */
 
-extension Document.Body.Data where PrimaryResourceBody: AppendableResourceBody {
+extension Document.Body.Data where PrimaryResourceBody: Appendable {
 	public func merging(_ other: Document.Body.Data,
 						combiningMetaWith metaMerge: (MetaType, MetaType) -> MetaType,
 						combiningLinksWith linksMerge: (LinksType, LinksType) -> LinksType) -> Document.Body.Data {
@@ -214,7 +214,7 @@ extension Document.Body.Data where PrimaryResourceBody: AppendableResourceBody {
 	}
 }
 
-extension Document.Body.Data where PrimaryResourceBody: AppendableResourceBody, MetaType == NoMetadata, LinksType == NoLinks {
+extension Document.Body.Data where PrimaryResourceBody: Appendable, MetaType == NoMetadata, LinksType == NoLinks {
 	public func merging(_ other: Document.Body.Data) -> Document.Body.Data {
 		return merging(other,
 					   combiningMetaWith: { _, _ in .none },
diff --git a/Sources/JSONAPI/Document/ResourceBody.swift b/Sources/JSONAPI/Document/ResourceBody.swift
index 2eb1bb4..4dbac87 100644
--- a/Sources/JSONAPI/Document/ResourceBody.swift
+++ b/Sources/JSONAPI/Document/ResourceBody.swift
@@ -40,11 +40,11 @@ public protocol ResourceBody: Decodable, EncodableResourceBody {}
 
 /// A `ResourceBody` that has the ability to take on more primary
 /// resources by appending another similarly typed `ResourceBody`.
-public protocol AppendableResourceBody {
+public protocol Appendable {
 	func appending(_ other: Self) -> Self
 }
 
-public func +<R: AppendableResourceBody>(_ left: R, right: R) -> R {
+public func +<R: Appendable>(_ left: R, right: R) -> R {
 	return left.appending(right)
 }
 
@@ -56,7 +56,7 @@ public struct SingleResourceBody<Entity: JSONAPI.OptionalEncodablePrimaryResourc
 	}
 }
 
-public struct ManyResourceBody<Entity: JSONAPI.EncodablePrimaryResource>: EncodableResourceBody, AppendableResourceBody {
+public struct ManyResourceBody<Entity: JSONAPI.EncodablePrimaryResource>: EncodableResourceBody, Appendable {
 	public let values: [Entity]
 
 	public init(resourceObjects: [Entity]) {