The Visual Studio 2015 updates 2 brings several improvement. Among all of them, one of the small but vary handy improvement is “Add Using command” for misspelled types using “fuzzy” matching. In case there is a typo for any predefined types, Visual Studio search the entire solution, analyze the meta data uses the fuzzy matching to suggest the correct type.
Quick Visual Studio Tip : Did you know – you can close specific set of open documents together in Visual Studio ?
For an example, consider you want to use the SqlConnection, but while typing you misspelled. Now with the help of Light Blub, along with other suggested tip, you can see Visual Studio also recommending preferably matching Using Statement Using System.Data.SqlClient and the associated changes as shown in below screen shots.
Hope this helps !