diff --git a/docs/sources/installation/ubuntulinux.rst b/docs/sources/installation/ubuntulinux.rst
index 85098e9552..44dba6b97e 100644
--- a/docs/sources/installation/ubuntulinux.rst
+++ b/docs/sources/installation/ubuntulinux.rst
@@ -282,8 +282,6 @@ incoming connections on the Docker port (default 4243):
 
    sudo ufw allow 4243/tcp
 
-.. _installmirrors:
-
 Docker and local DNS server warnings
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -342,6 +340,8 @@ NetworkManager and Docker need to be restarted afterwards:
 
 .. warning:: This might make DNS resolution slower on some networks.
 
+.. _installmirrors:
+
 Mirrors
 ^^^^^^^