Index: /trunk/data/validator/deprecated.mapcss
===================================================================
--- /trunk/data/validator/deprecated.mapcss	(revision 13423)
+++ /trunk/data/validator/deprecated.mapcss	(revision 13424)
@@ -1216,2 +1216,9 @@
   group: tr("deprecated tagging");
 }
+
+*[amenity=toilet] {
+  throwError: tr("{0}", "{0.tag}");
+  suggestAlternative: "amenity=toilets";
+  group: tr("misspelled value");
+  fixAdd: "amenity=toilets";
+}