HTTP3: fix the HTTP/3 Explained book link

Closes #7813
2021-10-04 18:32:59 -07:00 · 2021-10-04 18:32:59 -07:00 · 2ac10a9ea0
--- a/docs/HTTP3.md
+++ b/docs/HTTP3.md
@ -2,7 +2,7 @@

 ## Resources

-[HTTP/3 Explained](https://daniel.haxx.se/http3-explained/) - the online free
+[HTTP/3 Explained](https://http3-explained.haxx.se/en/) - the online free
 book describing the protocols involved.

 [QUIC implementation](https://github.com/curl/curl/wiki/QUIC-implementation) -