Update README.markdown

README.markdown

 # MongoDB Schema Analyzer #
-Lets you see 
+It helps you get a sense of your application's schema, as well as any outliers to that schema. Particularly useful when you inherit a codebase with poor test coverage, or poor
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+
+	db.users.insert({name: "Tom", bio: "A nice guy.", pets: ["monkey", "fish"], someLegacyField: "I like Ike!"});
+	db.users.insert({name: "Dick", bio: "I swordfight."});
+	db.users.insert({name: "Harry", pets: ["egret"]});
+	db.users.insert({name: "Geneviève", bio: "Ça va?");