diff --git a/contact.md b/contact.md
index 8889b5b..ce3e58f 100644
--- a/contact.md
+++ b/contact.md
@@ -33,7 +33,7 @@ that before asking questions that may have been answered before.
 
 ## IRC
 
-Some of us are hanging out in `#collectd` on [freenode](http://freenode.net/). Feel free to join us there :)
+Some of us are hanging out in `#collectd` on [libera](http://libera.chat/). Feel free to join us there :)
 
 ## Twitter
 
diff --git a/dev-info.md b/dev-info.md
index 2f85220..e5864c9 100644
--- a/dev-info.md
+++ b/dev-info.md
@@ -13,7 +13,7 @@ the following command.
 git clone git://git.verplant.org/collectd.git  
   
 <span class="comment">\# Github mirror</span>  
-git clone git://github.com/collectd/collectd.git  
+git clone https://github.com/collectd/collectd.git
 
 </div>
 
diff --git a/download.md b/download.md
index 36e683e..446d390 100644
--- a/download.md
+++ b/download.md
@@ -60,7 +60,7 @@ The Git repository, along with issue tracker and Pull Requests, is hosted on Git
 http://github.com/collectd/collectd/.
 
 ```shell
-git clone git://github.com/collectd/collectd.git
+git clone https://github.com/collectd/collectd.git
 ```
 
 More information is available in [the development documentation](dev-info.md).