fix in readme thanks to @wfreeman

README.markdown

@@ -6,8 +6,8 @@ This lightweight tool helps you get a sense of your application's schema, as wel
 We'll make a collection:
 
     db.users.insert({name: "Tom", bio: "A nice guy.", pets: ["monkey", "fish"], someWeirdLegacyKey: "I like Ike!"});
-    db.users.insert({name: "Dick", bio: "I swordfight.", birthday: new Date("1974-03-14")});
-    db.users.insert({name: "Harry", pets: "egret", birthday: new Date("1984-03-14")});
+    db.users.insert({name: "Dick", bio: "I swordfight.", birthday: new Date("1974/03/14")});
+    db.users.insert({name: "Harry", pets: "egret", birthday: new Date("1984/03/14")});
     db.users.insert({name: "Geneviève", bio: "Ça va?"});
     db.users.insert({name: "Jim", someBinData: new BinData(2,"1234")});