Add instruction to info file

Issue Summary

I spent ages going around in circles trying to configure this module. It wasnt till i downloaded the dev version I found additional instructions in the readme

USAGE:

On the configuration form of each each content type set the role(s)
that can search for nodes of that content type.

Would it be possible to ammend the .info file as follows

from
description = "Exclude specific content from search results if user doesn't have privileges.

to
description = "Exclude specific content from search results if user doesn't have privileges - set in Content Types.

I know its probably not the right way , but if when I had tried Administer by Module i would then have found the clue :