Add fix for link to P1795r0.

Author: Gordon

affinity/index.md

@@ -53,5 +53,5 @@ This paper is the result of a request from SG1 at the 2018 San Diego meeting to
 [p1436r1]: https://wg21.link/p1436r1
 [d1436-latest]: cpp-23/d1436r2.md
 
-[p1795r0]: https://wg21.link/p1437r0
+[p1795r0]: https://wg21.link/p1795r0
 [d1795-latest]: cpp-23/d1795r1.md