[wasm][bcl][http] Fix descriptive message for the `PlatformNotSupportedException` (#17919)

* Fix descriptive message for the `PlatformNotSupportedException`

* Add more descriptive message to the `Properties` `PlatformNotSupportedException`

1 files changed, 3 insertions, 3 deletions

diff --git a/mcs/class/System.Net.Http/System.Net.Http/HttpClientHandler.wasm.cs b/mcs/class/System.Net.Http/System.Net.Http/HttpClientHandler.wasm.cs
index 4091de7d2a6..20196dbdf61 100644
--- a/mcs/class/System.Net.Http/System.Net.Http/HttpClientHandler.wasm.cs
+++ b/mcs/class/System.Net.Http/System.Net.Http/HttpClientHandler.wasm.cs
@@ -78,8 +78,8 @@ namespace System.Net.Http
 		}
 
 		public bool UseProxy {
-			get => throw new PlatformNotSupportedException ("Property AutomaticDecompression is not supported.");
-			set => throw new PlatformNotSupportedException ("Property AutomaticDecompression is not supported.");
+			get => throw new PlatformNotSupportedException ("Property UseProxy is not supported.");
+			set => throw new PlatformNotSupportedException ("Property UseProxy is not supported.");
 		}
 
 		public IWebProxy Proxy {
@@ -132,7 +132,7 @@ namespace System.Net.Http
 			set => throw new PlatformNotSupportedException ("Property MaxRequestContentBufferSize is not supported.");
 		}
 
-		public IDictionary<string, object> Properties => throw new PlatformNotSupportedException ();
+		public IDictionary<string, object> Properties => throw new PlatformNotSupportedException ("Property Properties is not supported.");
 
 		public static Func<HttpRequestMessage, X509Certificate2, X509Chain, SslPolicyErrors, bool> DangerousAcceptAnyServerCertificateValidator { get; } = delegate { return true; };