diff --git a/source/jabber/index.html.slim b/source/jabber/index.html.slim
index 9f62b7f..344c190 100644
--- a/source/jabber/index.html.slim
+++ b/source/jabber/index.html.slim
@@ -51,8 +51,14 @@ p
 p Install cacert on linux
 p $ sudo -i
 p $ mkdir -p /usr/local/share/ca-certificates/cacert.org
-p $ wget https://www.cacert.org/certs/root.crt -O /usr/local/share/ca-certificates/cacert.org/cacert.org_root.crt
+p $ wget http://www.cacert.org/certs/root.crt -O /usr/local/share/ca-certificates/cacert.org/cacert.org_root.crt
 p $ wget http://www.cacert.org/certs/class3.crt -O /usr/local/share/ca-certificates/cacert.org/cacert.org_class3.crt
+p
+  ' $ sha256sum /usr/local/share/ca-certificates/cacert.org/* # check whether checksums match yours
+  br
+  ' f5badaa5da1cc05b110a9492455a2c2790d00c7175dcf3a7bcb5441af71bf84f /usr/local/share/ca-certificates/cacert.org/cacert.org_class3.crt
+  br
+  ' c0e0773a79dceb622ef6410577c19c1e177fb2eb9c623a49340de3c9f1de2560 /usr/local/share/ca-certificates/cacert.org/cacert.org_root.crt
 p $ update-ca-certificates
 
 #chatpanel