diff --git a/include/MacStd/Security.hpp b/include/MacStd/Security.hpp
index 1ea3d80..71a155b 100644
--- a/include/MacStd/Security.hpp
+++ b/include/MacStd/Security.hpp
@@ -56,6 +56,8 @@ namespace macstd
 		{
 			// Handle common errors Apple does not provide message strings for.
 			switch (num) {
+				case errSecWrPerm: return "Write permissions error";
+				case errSecDuplicateItem: return "The specified item already exists in the keychain";
 				case errAuthorizationCanceled: return "Authorization was canceled by user";
 				case errAuthorizationDenied: return "Authorization was denied";
 				case errAuthorizationInteractionNotAllowed: return "User interaction not allowed for authorization";