diff --git a/README.md b/README.md
index 7f9efdb..a848029 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Key features include:
 - [Custom URLSession](https://codefiesta.github.io/OAuthKit/documentation/oauthkit/configuration#URL-Session) configuration for complete control custom protocol specific data
 - [Observable State](https://codefiesta.github.io/OAuthKit/documentation/oauthkit/gettingstarted#Observing-OAuth-State) driven events to allow full control over when and if users are prompted to authenticate with an OAuth provider
 - Supports all Apple Platforms (iOS, macOS, tvOS, visionOS, watchOS)
-- [Support for every OAuth 2.0 Flow](#oauthkit-configuration)
+- [Support for every OAuth 2.0 Flow](#oauthkit-authorization-flows)
 	- [Authorization Code](#oauth-20-authorization-code-flow)
 	- [PKCE](#oauth-20-pkce-flow)
 	- [Device Code](#oauth-20-device-code-flow)
diff --git a/Sources/OAuthKit/Extensions/EnvironmentValues+Extensions.swift b/Sources/OAuthKit/Extensions/EnvironmentValues+Extensions.swift
index 9b18a7e..f50488e 100644
--- a/Sources/OAuthKit/Extensions/EnvironmentValues+Extensions.swift
+++ b/Sources/OAuthKit/Extensions/EnvironmentValues+Extensions.swift
@@ -2,7 +2,7 @@
 //  EnvironmentValues+Extensions.swift
 //
 //
-//  Created by Kevin McKee on 5/16/24.
+//  Created by Kevin McKee
 //
 
 import SwiftUI
diff --git a/Sources/OAuthKit/Extensions/Task+Extensions.swift b/Sources/OAuthKit/Extensions/Task+Extensions.swift
index bbc4e45..c8f5efa 100644
--- a/Sources/OAuthKit/Extensions/Task+Extensions.swift
+++ b/Sources/OAuthKit/Extensions/Task+Extensions.swift
@@ -2,7 +2,7 @@
 //  Task+Extensions.swift
 //
 //
-//  Created by Kevin McKee on 5/30/24.
+//  Created by Kevin McKee
 //
 
 import Foundation
diff --git a/Sources/OAuthKit/Extensions/URLRequest+Extensions.swift b/Sources/OAuthKit/Extensions/URLRequest+Extensions.swift
index c08d39a..b3bbfa4 100644
--- a/Sources/OAuthKit/Extensions/URLRequest+Extensions.swift
+++ b/Sources/OAuthKit/Extensions/URLRequest+Extensions.swift
@@ -2,7 +2,7 @@
 //  URLRequest+Extensions.swift
 //
 //
-//  Created by Kevin McKee on 5/30/24.
+//  Created by Kevin McKee
 //
 
 import Foundation
diff --git a/Sources/OAuthKit/Keychain/Keychain.swift b/Sources/OAuthKit/Keychain/Keychain.swift
index f78ce4f..99717d2 100644
--- a/Sources/OAuthKit/Keychain/Keychain.swift
+++ b/Sources/OAuthKit/Keychain/Keychain.swift
@@ -2,7 +2,7 @@
 //  Keychain.swift
 //
 //
-//  Created by Kevin McKee on 5/28/24.
+//  Created by Kevin McKee
 //
 
 import Foundation
@@ -159,6 +159,6 @@ class Keychain: @unchecked Sendable {
     /// - Parameter key: the key to prefix.
     /// - Returns: the unique account key to use
     private func accountKey(_ key: String) -> String {
-        return applicationTag + "." + key + "." + tokenIdentifier
+        applicationTag + "." + key + "." + tokenIdentifier
     }
 }
diff --git a/Sources/OAuthKit/Network/NetworkMonitor.swift b/Sources/OAuthKit/Network/NetworkMonitor.swift
index 2a978d9..6ec1113 100644
--- a/Sources/OAuthKit/Network/NetworkMonitor.swift
+++ b/Sources/OAuthKit/Network/NetworkMonitor.swift
@@ -2,7 +2,7 @@
 //  NetworkMonitor.swift
 //
 //
-//  Created by Kevin McKee on 5/30/24.
+//  Created by Kevin McKee
 //
 
 import Network
diff --git a/Sources/OAuthKit/OAuth+PKCE.swift b/Sources/OAuthKit/OAuth+PKCE.swift
index 4dafd8d..9efba01 100644
--- a/Sources/OAuthKit/OAuth+PKCE.swift
+++ b/Sources/OAuthKit/OAuth+PKCE.swift
@@ -27,14 +27,13 @@ extension OAuth {
         public let state: String
 
         /// Returns the code challenge method. Currently only supports [SHA-256 hash](https://en.wikipedia.org/wiki/SHA-2).
-        public var codeChallengeMethod: String {
-            defaultCodeChallengeMethod
-        }
+        public let codeChallengeMethod: String
 
         /// Initializer.
         public init() {
             codeVerifier = .secureRandom()
             codeChallenge = codeVerifier.sha256.base64URL
+            codeChallengeMethod = defaultCodeChallengeMethod
             state = .secureRandom(count: 16).base64URL
         }
     }
diff --git a/Sources/OAuthKit/OAuth+Request.swift b/Sources/OAuthKit/OAuth+Request.swift
index 051388b..f850c39 100644
--- a/Sources/OAuthKit/OAuth+Request.swift
+++ b/Sources/OAuthKit/OAuth+Request.swift
@@ -18,7 +18,7 @@ extension OAuth {
     struct Request {
 
         /// Provides constants for URLQueryItem keys.
-        enum Key: String {
+        fileprivate enum Key: String {
             case code = "code"
             case clientID = "client_id"
             case clientSecret = "client_secret"
diff --git a/Sources/OAuthKit/OAuth.swift b/Sources/OAuthKit/OAuth.swift
index 4e01479..14fcfa8 100644
--- a/Sources/OAuthKit/OAuth.swift
+++ b/Sources/OAuthKit/OAuth.swift
@@ -2,7 +2,7 @@
 //  OAuth.swift
 //
 //
-//  Created by Kevin McKee on 5/14/24.
+//  Created by Kevin McKee
 //
 import Foundation
 #if canImport(LocalAuthentication)
diff --git a/Sources/OAuthKit/Views/OAWebView.swift b/Sources/OAuthKit/Views/OAWebView.swift
index 1a4cdfd..d58c614 100644
--- a/Sources/OAuthKit/Views/OAWebView.swift
+++ b/Sources/OAuthKit/Views/OAWebView.swift
@@ -2,7 +2,7 @@
 //  OAWebView.swift
 //
 //
-//  Created by Kevin McKee on 5/16/24.
+//  Created by Kevin McKee
 //
 
 #if canImport(WebKit)
diff --git a/Sources/OAuthKit/Views/OAWebViewCoordinator.swift b/Sources/OAuthKit/Views/OAWebViewCoordinator.swift
index ad7c08e..71d3538 100644
--- a/Sources/OAuthKit/Views/OAWebViewCoordinator.swift
+++ b/Sources/OAuthKit/Views/OAWebViewCoordinator.swift
@@ -2,7 +2,7 @@
 //  OAWebViewCoordinator.swift
 //  
 //
-//  Created by Kevin McKee on 5/16/24.
+//  Created by Kevin McKee
 //
 
 #if canImport(WebKit)
diff --git a/Tests/OAuthKitTests/OAuth+Monitor.swift b/Tests/OAuthKitTests/OAuth+Monitor.swift
index 02893e3..552031d 100644
--- a/Tests/OAuthKitTests/OAuth+Monitor.swift
+++ b/Tests/OAuthKitTests/OAuth+Monitor.swift
@@ -2,7 +2,7 @@
 //  OAuth+Monitor.swift
 //  OAuthKit
 //
-//  Created by Kevin McKee on 6/6/25.
+//  Created by Kevin McKee
 //
 
 import Foundation