diff --git a/yml/OSLibraries/Shell32.yml b/yml/OSLibraries/Shell32.yml
index 0afce49..302ded6 100644
--- a/yml/OSLibraries/Shell32.yml
+++ b/yml/OSLibraries/Shell32.yml
@@ -17,12 +17,14 @@ Commands:
     Category: Execute
     Privileges: User
     MitreID: T1218.011
+    OperatingSystem: Windows
   - Command: rundll32 SHELL32.DLL,ShellExec_RunDLL "cmd.exe" "/c echo hi"
     Description: Launch command line by calling the ShellExec_RunDLL function.
     Usecase: Run an executable payload.
     Category: Execute
     Privileges: User
     MitreID: T1218.011
+    OperatingSystem: Windows
 Full_Path:
   - Path: c:\windows\system32\shell32.dll
   - Path: c:\windows\syswow64\shell32.dll