Fix localization number

js/id/validate.js

@@ -17,7 +17,7 @@ iD.validate = function(changes, graph) {
 
     if (changes.deleted.length > 100) {
         warnings.push({
-            message: t('validations.many_deletions')
+            message: t('validations.many_deletions', { n: changes.deleted.length })
         });
     }
 

locale/en.js

@@ -221,7 +221,7 @@ locale.en = {
         untagged_point: "Untagged point which is not part of a line or area",
         untagged_line: "Untagged line",
         untagged_area: "Untagged area",
-        many_deletions: "You're deleting more than 200 objects. Are you sure you want to do this? This will delete them from the map that everyone else sees on openstreetmap.org.",
+        many_deletions: "You're deleting {n} objects. Are you sure you want to do this? This will delete them from the map that everyone else sees on openstreetmap.org.",
         tag_suggests_area: "The tag {tag} suggests line should be area, but it is not an area",
         deprecated_tags: "Deprecated tags: {tags}"
     },