userguide: add proper label to RPM install section

Use a reference label that is stable, instead of one that could change
in case a new section is added above it.

diff --git a/doc/userguide/install.rst b/doc/userguide/install.rst
index 5c28aef020da6404d492e152b26d2b503b23ff19..b3d39d216a0b6df10614e6f63462d5842a7d6a52 100644 (file)
--- a/doc/userguide/install.rst
+++ b/doc/userguide/install.rst
@@ -310,6 +310,8 @@ For Debian 10 (buster), for instance, run the following as ``root``::
     apt-get update
     apt-get install suricata -t buster-backports
 
+.. _RPM packages:
+
 CentOS, AlmaLinux, RockyLinux, Fedora, etc
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^