diff --git a/README.md b/README.md
index d80894b..5ae6f82 100644
--- a/README.md
+++ b/README.md
@@ -381,13 +381,14 @@ performance of any of your sites from across the globe.
:small_orange_diamond: F’Awk Yeah! - advanced sed and awk usage (Parsing for Pentesters 3).
:small_orange_diamond: nixCraft - linux and unix tutorials for new and seasoned sysadmin.
:small_orange_diamond: TecMint - the ideal Linux blog for Sysadmins & Geeks.
:small_orange_diamond: Omnisecu - Free Networking, System Administration and Security Tutorials.
:small_orange_diamond: Unix Toolbox - collection of Unix/Linux/BSD commands and tasks which are useful for IT work or for advanced users.
+ :small_orange_diamond: Linux Guide and Hints - tutorials on system administration in Fedora® and CentOS®, including OpenLDAP and FreeIPA.
:small_orange_diamond: http2-explained - a detailed document explaining and documenting HTTP/2.
:small_orange_diamond: http3-explained - a document describing the HTTP/3 and QUIC protocols.