diff --git a/engine/src/flutter/shell/platform/windows/testing/windows_test_context.h b/engine/src/flutter/shell/platform/windows/testing/windows_test_context.h
index bdc6fcc22a2..30673f1ca5d 100644
--- a/engine/src/flutter/shell/platform/windows/testing/windows_test_context.h
+++ b/engine/src/flutter/shell/platform/windows/testing/windows_test_context.h
@@ -23,8 +23,10 @@ class WindowsTestContext {
   explicit WindowsTestContext(std::string_view assets_path = "");
   virtual ~WindowsTestContext();
 
+  // Returns the path to assets required by the Flutter runtime.
   const std::wstring& GetAssetsPath() const;
 
+  // Returns the path to the ICU library data file.
   const std::wstring& GetIcuDataPath() const;
 
  private: