Update server/server.js

Co-authored-by: Adam Stachowicz <saibamenppl@gmail.com>

server/server.js

@@ -251,7 +251,7 @@ let indexHTML = fs.readFileSync("./dist/index.html").toString();
                     } else {
                         callback({
                             ok: false,
-                            msg: "Token Invalid!",
+                            msg: "Invalid Token!",
                         })
                     }
                 }