diff --git a/samples/dotnet/SponsorLink/DiagnosticsManager.cs b/samples/dotnet/SponsorLink/DiagnosticsManager.cs
index 68420c75..5484f64e 100644
--- a/samples/dotnet/SponsorLink/DiagnosticsManager.cs
+++ b/samples/dotnet/SponsorLink/DiagnosticsManager.cs
@@ -137,7 +137,7 @@ SponsorStatus GetOrSetStatus(Func<ImmutableArray<AdditionalText>> getAdditionalF
             // report unknown, either unparsed manifest or one with no expiration (which we never emit).
             return Push(Diagnostic.Create(KnownDescriptors[SponsorStatus.Unknown], null,
                 properties: ImmutableDictionary.Create<string, string?>().Add(nameof(SponsorStatus), nameof(SponsorStatus.Unknown)),
-                Funding.Product, Sponsorables.Keys.Humanize(Resources.Or)),
+                Funding.Product, Sponsorables.Keys.Select(x => "@" + x).Humanize(Resources.Or)),
                 SponsorStatus.Unknown);
         }
         else if (exp < DateTime.Now)
@@ -201,7 +201,7 @@ SponsorStatus GetOrSetStatus(Func<ImmutableArray<AdditionalText>> getAdditionalF
         isEnabledByDefault: true,
         description: string.Format(CultureInfo.CurrentCulture, Resources.Unknown_Description,
             string.Join(", ", sponsorable.Select(x => $"https://github.com/sponsors/{x}")),
-            string.Join(" ", sponsorable)),
+            string.Join(" ", sponsorable.Select(x => "@" + x))),
         helpLinkUri: "https://github.com/devlooped#sponsorlink",
         WellKnownDiagnosticTags.NotConfigurable, "CompilationEnd");
 
diff --git a/samples/dotnet/SponsorLink/Resources.es-AR.resx b/samples/dotnet/SponsorLink/Resources.es-AR.resx
index 42c5bbbe..f7655afa 100644
--- a/samples/dotnet/SponsorLink/Resources.es-AR.resx
+++ b/samples/dotnet/SponsorLink/Resources.es-AR.resx
@@ -122,7 +122,7 @@
 Por favor considerá apoyar el proyecto patrocinando en {0} y ejecutando posteriormente 'sponsor sync {1}'.</value>
   </data>
   <data name="Unknown_Message" xml:space="preserve">
-    <value>Por favor considerá apoyar {0} patrocinando @{1} 🙏</value>
+    <value>Por favor considerá apoyar {0} patrocinando {1} 🙏</value>
   </data>
   <data name="Unknown_Title" xml:space="preserve">
     <value>Estado de patrocinio desconocido</value>
diff --git a/samples/dotnet/SponsorLink/Resources.es.resx b/samples/dotnet/SponsorLink/Resources.es.resx
index 7c82c52f..2bc3e380 100644
--- a/samples/dotnet/SponsorLink/Resources.es.resx
+++ b/samples/dotnet/SponsorLink/Resources.es.resx
@@ -122,7 +122,7 @@
 Por favor considera apoyar el proyecto patrocinando en {0} y ejecutando posteriormente 'sponsor sync {1}'.</value>
   </data>
   <data name="Unknown_Message" xml:space="preserve">
-    <value>Por favor considere apoyar {0} patrocinando @{1} 🙏</value>
+    <value>Por favor considere apoyar {0} patrocinando {1} 🙏</value>
   </data>
   <data name="Unknown_Title" xml:space="preserve">
     <value>Estado de patrocinio desconocido</value>
diff --git a/samples/dotnet/SponsorLink/Resources.resx b/samples/dotnet/SponsorLink/Resources.resx
index 0e355997..d9935ca2 100644
--- a/samples/dotnet/SponsorLink/Resources.resx
+++ b/samples/dotnet/SponsorLink/Resources.resx
@@ -123,7 +123,7 @@ Please consider supporting the project by sponsoring at {0} and running 'sponsor
     <comment>Unknown sponsor description</comment>
   </data>
   <data name="Unknown_Message" xml:space="preserve">
-    <value>Please consider supporting {0} by sponsoring @{1} 🙏</value>
+    <value>Please consider supporting {0} by sponsoring {1} 🙏</value>
   </data>
   <data name="Unknown_Title" xml:space="preserve">
     <value>Unknown sponsor status</value>