fix example, connection CREATED must be labeled

Author: gkorland

examples/RedisGraphExample.js

@@ -9,15 +9,18 @@ graph
 	return graph.query("CREATE (:person{name:'amit',age:30})");
 })
 .then( () => {
-	return graph.query("MATCH (a:person), (b:person) WHERE (a.name = 'roi' AND b.name='amit') CREATE (a)-[knows]->(a)")
+	return graph.query("MATCH (a:person), (b:person) WHERE (a.name = 'roi' AND b.name='amit') CREATE (a)-[:knows]->(a)");
 })
 .then( () => {
-	return graph.query("MATCH (a:person)-[knows]->(:person) RETURN a")
+	return graph.query("MATCH (a:person)-[:knows]->(:person) RETURN a");
 })
 .then( (res) => {
 	while(res.hasNext()){
 		let record = res.next();
 		console.log(record.getString('a.name'));
 	}
 	console.log(res.getStatistics().queryExecutionTime());
+})
+.catch((err) => {
+	console.log(err);
 });