README: maintenance disclosure

Signed-off-by: William Woodruff <william@trailofbits.com>

README.md

@@ -6,7 +6,7 @@
 [![Packaging status](https://repology.org/badge/tiny-repos/python:abi3audit.svg)](https://repology.org/project/python:abi3audit/versions)
 <!--- @end-badges@ --->
 
-*[Read our blog post about how we find bugs with `abi3audit`!](https://blog.trailofbits.com/2022/11/15/python-wheels-abi-abi3audit/)*
+*[Read the Trail of Bits blog post about how we find bugs with `abi3audit`!](https://blog.trailofbits.com/2022/11/15/python-wheels-abi-abi3audit/)*
 
 `abi3audit` scans Python extensions for `abi3` violations and inconsistencies.
 
@@ -15,6 +15,9 @@ package version histories.
 
 ![An animated demonstration of abi3audit in action](https://user-images.githubusercontent.com/3059210/194171233-a61a81d2-f2ed-4078-8988-903f996ba2e3.gif)
 
+This project is maintained in part by [Trail of Bits](https://trailofbits.com).
+This is not an official Trail of Bits product.
+
 ## Index
 
 * [Motivation](#motivation)