diff --git a/Sources/Public/Filters/AmiiboFilter.swift b/Sources/Public/Filters/AmiiboFilter.swift
index 45b9186..6712ae7 100644
--- a/Sources/Public/Filters/AmiiboFilter.swift
+++ b/Sources/Public/Filters/AmiiboFilter.swift
@@ -10,21 +10,47 @@
 //
 //===----------------------------------------------------------------------===
 
+/// A type that contains values to fine-tune a response when requesting amiibo items.
 public struct AmiiboFilter {
     
     // MARK: Properties
     
+    /// A game character to return, if any.
     public let gameCharacter: String?
+
+    /// A game series to return, if any.
     public let gameSeries: String?
+
+    /// An amiibo identifier to return, if any.
     public let identifier: String?
+
+    /// An amiibo name to return, if any.
     public let name: String?
+
+    /// An amiibo series to return, if any.
     public let series: String?
+
+    /// A flag indicating whether to include games in the response, if any.
     public let showGames: Bool?
+
+    /// A flag indicating whether to include amiibo usages in games in the response, if any.
     public let showUsage: Bool?
+
+    /// An amiibo type to return, if any.
     public let type: String?
     
-    // MARK: Initialisers
+    // MARK: Initializers
     
+    /// Initializes this filter.
+    /// - Parameters:
+    ///   - identifier: An amiibo identifier to return, if any.
+    ///   - name: An amiibo name to return, if any.
+    ///   - type: An amiibo type to return, if any.
+    ///   - series: An amiibo series to return, if any.
+    ///   - gameCharacter: A game character to return, if any.
+    ///   - gameSeries: A game series to return, if any.
+    ///   - showGames: A flag indicating whether to include games in the response, if any.
+    ///   - showUsage: A flag indicating whether to include amiibo usages in games in the response, if any.
     public init(
         identifier: String? = nil,
         name: String? = nil,
diff --git a/Sources/Public/Filters/AmiiboSeriesFilter.swift b/Sources/Public/Filters/AmiiboSeriesFilter.swift
index c10f4dc..3df3abe 100644
--- a/Sources/Public/Filters/AmiiboSeriesFilter.swift
+++ b/Sources/Public/Filters/AmiiboSeriesFilter.swift
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===
 
+/// A type that contains values to fine-tune a response when requesting amiibo series.
 public struct AmiiboSeriesFilter: KeyNameFilter {
     
     // MARK: Properties
@@ -17,7 +18,7 @@ public struct AmiiboSeriesFilter: KeyNameFilter {
     public let key: String?
     public let name: String?
     
-    // MARK: Initialisers
+    // MARK: Initializers
     
     public init() {
         self.key = nil
diff --git a/Sources/Public/Filters/AmiiboTypeFilter.swift b/Sources/Public/Filters/AmiiboTypeFilter.swift
index 04d709a..11a6ae3 100644
--- a/Sources/Public/Filters/AmiiboTypeFilter.swift
+++ b/Sources/Public/Filters/AmiiboTypeFilter.swift
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===
 
+/// A type that contains values to fine-tune a response when requesting amiibo types.
 public struct AmiiboTypeFilter: KeyNameFilter {
 
     // MARK: Properties
@@ -17,7 +18,7 @@ public struct AmiiboTypeFilter: KeyNameFilter {
     public let key: String?
     public let name: String?
     
-    // MARK: Initialisers
+    // MARK: Initializers
     
     public init() {
         self.key = nil
diff --git a/Sources/Public/Filters/GameCharacterFilter.swift b/Sources/Public/Filters/GameCharacterFilter.swift
index 27a2ddf..3298feb 100644
--- a/Sources/Public/Filters/GameCharacterFilter.swift
+++ b/Sources/Public/Filters/GameCharacterFilter.swift
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===
 
+/// A type that contains values to fine-tune a response when requesting game characters.
 public struct GameCharacterFilter: KeyNameFilter {
     
     // MARK: Properties
@@ -17,7 +18,7 @@ public struct GameCharacterFilter: KeyNameFilter {
     public let key: String?
     public let name: String?
     
-    // MARK: Initialisers
+    // MARK: Initializers
     
     public init() {
         self.key = nil
diff --git a/Sources/Public/Filters/GameSeriesFilter.swift b/Sources/Public/Filters/GameSeriesFilter.swift
index 837a5bb..d45a73f 100644
--- a/Sources/Public/Filters/GameSeriesFilter.swift
+++ b/Sources/Public/Filters/GameSeriesFilter.swift
@@ -10,6 +10,7 @@
 //
 //===----------------------------------------------------------------------===
 
+/// A type that contains values to fine-tune a response when requesting game series.
 public struct GameSeriesFilter: KeyNameFilter {
     
     // MARK: Properties
@@ -17,7 +18,7 @@ public struct GameSeriesFilter: KeyNameFilter {
     public let key: String?
     public let name: String?
     
-    // MARK: Initialisers
+    // MARK: Initializers
     
     public init() {
         self.key = nil