diff --git a/README.adoc b/README.adoc
index 6ce06787..43a8f161 100644
--- a/README.adoc
+++ b/README.adoc
@@ -16,7 +16,7 @@ then via Mercural and then via Git.
In 2008/2009, jackdbus was ported to jackdmp codebase along with an implementation
of the newly designed for the new need control API for JACK.
The result of this merge became known as
-link:https://lac.linuxaudio.org/2009/cdm/Thursday/01_Letz/01.pdf[JACK2].
+link:https://web.archive.org/web/20170106162202/http://lac.linuxaudio.org/2009/cdm/Thursday/01_Letz/01.pdf[JACK2].
As of 2022, jackdbus is again maintained in LADI project.
The jackaudio.org version of jackdbus is considered older/alternative
implementation.
@@ -173,4 +173,4 @@ can reconnect to it, and restoring JACK connections.
References
----------
-. link:https://lac.linuxaudio.org/2009/cdm/Thursday/01_Letz/01.pdf[What's new in JACK2?]
+. link:https://web.archive.org/web/20170106162202/http://lac.linuxaudio.org/2009/cdm/Thursday/01_Letz/01.pdf[What's new in JACK2?]
diff --git a/doc/jackdbus.html b/doc/jackdbus.html
index 47f9b80d..55f9da8b 100644
--- a/doc/jackdbus.html
+++ b/doc/jackdbus.html
@@ -714,7 +714,7 @@ then via Mercural and then via Git.
In 2008/2009, jackdbus was ported to jackdmp codebase along with an implementation
of the newly designed for the new need control API for JACK.
The result of this merge became known as
-JACK2.
+JACK2.
As of 2022, jackdbus is again maintained in LADI project.
The jackaudio.org version of jackdbus is considered older/alternative
implementation.
@@ -1046,7 +1046,7 @@ can reconnect to it, and restoring JACK connections.