try to speak mangoose

backend/routes/routesToucan.js

@@ -154,10 +154,10 @@ router.route("/img/:id")
         }
         );}); */
 
-    router.get('/pdf/:urlID', (req, res) => {
+    router.get('/pdf/:url', (req, res) => {
         try {  
               urltoucans.
-              match({urlID: req.params.urlID}).
+              match({urlID: req.params.url}).
               exec((err,data) => {
                 if (err) {
                   console.log(err);