diff --git a/src/Microsoft.Identity.Web.Certificate/DefaultCredentialsLoader.CustomSignedAssertion.cs b/src/Microsoft.Identity.Web.Certificate/DefaultCredentialsLoader.CustomSignedAssertion.cs
index 81249fd6f..bd5922ce0 100644
--- a/src/Microsoft.Identity.Web.Certificate/DefaultCredentialsLoader.CustomSignedAssertion.cs
+++ b/src/Microsoft.Identity.Web.Certificate/DefaultCredentialsLoader.CustomSignedAssertion.cs
@@ -31,6 +31,7 @@ public DefaultCredentialsLoader(IEnumerable<ICustomSignedAssertionProvider> cust
 
         /// <summary>
         /// Dictionary of custom signed assertion credential source loaders, by name (fully qualified type name).
+        /// The application can add more to process additional credential sources.
         /// </summary>
         public IDictionary<string, ICustomSignedAssertionProvider>? CustomSignedAssertionCredentialSourceLoaders { get; }