diff --git a/src/libraries/System.Runtime.Serialization.Formatters/src/Resources/Strings.resx b/src/libraries/System.Runtime.Serialization.Formatters/src/Resources/Strings.resx
index df3d7f431191555f7794a473663eecaffc742ccd..47c6bf98bed08ba6483a2b5c092fd7f3ea0ecb44 100644
--- a/src/libraries/System.Runtime.Serialization.Formatters/src/Resources/Strings.resx
+++ b/src/libraries/System.Runtime.Serialization.Formatters/src/Resources/Strings.resx
@@ -249,4 +249,7 @@
   <data name="BinaryFormatter_SerializationDisallowed" xml:space="preserve">
     <value>BinaryFormatter serialization and deserialization are disabled within this application. See https://aka.ms/binaryformatter for more information.</value>
   </data>
+  <data name="BinaryFormatter_SerializationNotSupportedOnThisPlatform" xml:space="preserve">
+    <value>BinaryFormatter serialization and deserialization are not supported on this platform. See https://aka.ms/binaryformatter for more information.</value>
+  </data>
 </root>
diff --git a/src/libraries/System.Runtime.Serialization.Formatters/src/System/Runtime/Serialization/Formatters/Binary/BinaryFormatter.PlatformNotSupported.cs b/src/libraries/System.Runtime.Serialization.Formatters/src/System/Runtime/Serialization/Formatters/Binary/BinaryFormatter.PlatformNotSupported.cs
index 59970dabe4a6b121ec6454db1fee1aee59463513..1e194973e2629b72b7fb4cac04efb25e99b28b8a 100644
--- a/src/libraries/System.Runtime.Serialization.Formatters/src/System/Runtime/Serialization/Formatters/Binary/BinaryFormatter.PlatformNotSupported.cs
+++ b/src/libraries/System.Runtime.Serialization.Formatters/src/System/Runtime/Serialization/Formatters/Binary/BinaryFormatter.PlatformNotSupported.cs
@@ -11,11 +11,11 @@ public sealed partial class BinaryFormatter : IFormatter
         [Obsolete(Obsoletions.BinaryFormatterMessage, DiagnosticId = Obsoletions.BinaryFormatterDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
         [RequiresUnreferencedCode(IFormatter.RequiresUnreferencedCodeMessage)]
         public object Deserialize(Stream serializationStream)
-            => throw new PlatformNotSupportedException(SR.BinaryFormatter_SerializationDisallowed);
+            => throw new PlatformNotSupportedException(SR.BinaryFormatter_SerializationNotSupportedOnThisPlatform);
 
         [Obsolete(Obsoletions.BinaryFormatterMessage, DiagnosticId = Obsoletions.BinaryFormatterDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
         [RequiresUnreferencedCode(IFormatter.RequiresUnreferencedCodeMessage)]
         public void Serialize(Stream serializationStream, object graph)
-            => throw new PlatformNotSupportedException(SR.BinaryFormatter_SerializationDisallowed);
+            => throw new PlatformNotSupportedException(SR.BinaryFormatter_SerializationNotSupportedOnThisPlatform);
     }
 }