Fix bird typo in mmp args (#2006)

tools/mmp/driver.cs

@@ -359,7 +359,7 @@ static void Main2 (string [] args)
 				{ "xamarin-framework-directory=", "The framework directory", v => { xm_framework_dir = v; }, true },
 				{ "xamarin-full-framework", "Used with --target-framework=4.5 to select XM Full Target Framework", v => { IsUnifiedFullXamMacFramework = true; } },
 				{ "xamarin-system-framework", "Used with --target-framework=4.5 to select XM Full Target Framework", v => { IsUnifiedFullSystemFramework = true; } },
-				{ "aot:", "Specify assemblies that should be experimentally AOT compiled\n- none - No AOT (default)\n- all - Every assembly in MonoBundle\n- core - Xamarin.Mac, System, mscorlib\n- sdk - Xamarin.Mac.dll and BCL assemblies\n- |hybrid after option enables hybrid AOT which allows IL stripping but is slower\n - Individual files can be included for AOT via +FileName.dll and excluded via -FileName.dll\n\nExamples:\n  --aot:all,-MyAssembly.dll\n  --aot:core|hybird,+MyOtherAssembly.dll,-mscorlib.dll",
+				{ "aot:", "Specify assemblies that should be experimentally AOT compiled\n- none - No AOT (default)\n- all - Every assembly in MonoBundle\n- core - Xamarin.Mac, System, mscorlib\n- sdk - Xamarin.Mac.dll and BCL assemblies\n- |hybrid after option enables hybrid AOT which allows IL stripping but is slower\n - Individual files can be included for AOT via +FileName.dll and excluded via -FileName.dll\n\nExamples:\n  --aot:all,-MyAssembly.dll\n  --aot:core|hybrid,+MyOtherAssembly.dll,-mscorlib.dll",
 					v => {
 						aotOptions = new AOTOptions (v);
 					}