diff --git a/src/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs b/src/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
index eaf3a73bb..9986bf824 100644
--- a/src/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
+++ b/src/Ryujinx.HLE/HOS/Services/Am/AppletOE/ApplicationProxyService/ApplicationProxy/IApplicationFunctions.cs
@@ -651,7 +651,7 @@ namespace Ryujinx.HLE.HOS.Services.Am.AppletOE.ApplicationProxyService.Applicati
             return ResultCode.Success;
         }
         
-        [CommandCmif(210)]
+        [CommandCmif(210)] // 20.0.0+
         // GetUnknownEvent() -> handle<copy>
         public ResultCode GetUnknownEvent(ServiceCtx context)
         {