diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,10 +1,10 @@
 # webpki-roots
 This is a crate containing Mozilla's root certificates for use with
-the [webpki](https://github.com/briansmith/webpki) or
+the [webpki](https://github.com/rustls/webpki) or
 [rustls](https://github.com/rustls/rustls) crates.
 
 This crate is inspired by [certifi.io](https://certifi.io/en/latest/) and
-uses the services provided by [mkcert.org](https://mkcert.org/).
+uses the data provided by the [Common CA Database (CCADB)](https://www.ccadb.org/).
 
 [![webpki-roots](https://github.com/rustls/webpki-roots/actions/workflows/build.yml/badge.svg?branch=main)](https://github.com/rustls/webpki-roots/actions/workflows/build.yml)
 [![Crate](https://img.shields.io/crates/v/webpki-roots.svg)](https://crates.io/crates/webpki-roots)