diff --git a/README.MD b/README.MD
index db5fda0..875c2d8 100644
--- a/README.MD
+++ b/README.MD
@@ -6,7 +6,8 @@
 
 ## Overview
 
-This Swift package is an API wrapper for the remove.bg API. It simplifies the integration of remove.bg's functionality into Swift-based projects, providing an easy and efficient way to access and utilize the API's capabilities.
+This Swift package is an API wrapper for the [remove.bg](https://remove.bg) API.
+It simplifies the integration of remove.bg's functionality into Swift-based projects, providing an easy and efficient way to access and utilize the API's capabilities.
 
 ## Features
 
diff --git a/Tests/RemoveBgTests/Mocks/MockURLProtocol+XCTestCase.swift b/Tests/RemoveBgTests/Mocks/MockURLProtocol+XCTestCase.swift
index d549311..96751f3 100644
--- a/Tests/RemoveBgTests/Mocks/MockURLProtocol+XCTestCase.swift
+++ b/Tests/RemoveBgTests/Mocks/MockURLProtocol+XCTestCase.swift
@@ -28,7 +28,7 @@ func XCTAssertHeader(key: String, value: String, file: StaticString = #filePath,
     XCTAssertEqual(value, lastRequest.allHTTPHeaderFields?[key], file: file, line: line)
 }
 
-func XCTAssertHeader(key: String, value: Regex<AnyRegexOutput>, file: StaticString = #filePath, line: UInt = #line) {
+func XCTAssertHeader(key: String, value: Regex<Substring>, file: StaticString = #filePath, line: UInt = #line) {
     guard let lastRequest = MockURLProtocol.lastRequest else {
         XCTFail("No URLRequest recorded", file: file, line: line)
         return
diff --git a/Tests/RemoveBgTests/RemoveBgTests.swift b/Tests/RemoveBgTests/RemoveBgTests.swift
index 9e666ba..689c847 100644
--- a/Tests/RemoveBgTests/RemoveBgTests.swift
+++ b/Tests/RemoveBgTests/RemoveBgTests.swift
@@ -19,7 +19,7 @@ final class RemoveBgParametersTests: XCTestCase {
     
     func testContentType() async throws {
         let _ = try await client.removeBackground(fromFileAtUrl: .sampleImage)
-        let regex = try Regex("^multipart/form-data; boundary=.+$")
+        let regex = #/^multipart/form-data; boundary=.+$/#
         XCTAssertHeader(key: "Content-Type", value: regex)
     }