diff --git a/xcconfig/NetNewsWire_safariextension_target.xcconfig b/xcconfig/NetNewsWire_safariextension_target.xcconfig
index 6c536de2b..9f854fbec 100644
--- a/xcconfig/NetNewsWire_safariextension_target.xcconfig
+++ b/xcconfig/NetNewsWire_safariextension_target.xcconfig
@@ -17,6 +17,7 @@ PROVISIONING_PROFILE_SPECIFIER =
 //    CODE_SIGN_IDENTITY[sdk=iphoneos*] = iPhone Developer
 //    CODE_SIGN_IDENTITY[sdk=iphonesimulator*] = iPhone Developer
 //    DEVELOPMENT_TEAM = <Your Team ID>
+//    ORGANIZATION_IDENTIFIER = <Your Domain Name Reversed>
 //    CODE_SIGN_STYLE = Automatic
 //    PROVISIONING_PROFILE_SPECIFIER =
 //