diff --git a/src/libraries/System.Net.Http/src/System/Net/Http/HttpMessageInvoker.cs b/src/libraries/System.Net.Http/src/System/Net/Http/HttpMessageInvoker.cs
index 9dbad07f55bce3..72de8f7bde6aab 100644
--- a/src/libraries/System.Net.Http/src/System/Net/Http/HttpMessageInvoker.cs
+++ b/src/libraries/System.Net.Http/src/System/Net/Http/HttpMessageInvoker.cs
@@ -11,6 +11,8 @@ public class HttpMessageInvoker : IDisposable
     {
         private volatile bool _disposed;
         private readonly bool _disposeHandler;
+        // Do not make the _handler field public.
+        // Exposing it might interfere with HttpClientFactory handler recycling behavior.
         private readonly HttpMessageHandler _handler;
 
         public HttpMessageInvoker(HttpMessageHandler handler)