Update the Set up the repository for Linux rpm

Author: renetapopova

modules/ROOT/pages/installation/linux/rpm.adoc

@@ -31,33 +31,42 @@ Installation instructions can be found on the manufacturer's website:
 [[linux-rpm-install-standard]]
 === Set up the repository
 
-To add the Neo4j repository to the package manager, run the following command as a sudo user:
-
+. Import the Neo4j GPG public key into the system’s RPM keyring.
+The key is required to verify the authenticity of the Neo4j packages you will install.
++
 [source, shell, subs="attributes"]
 ----
 rpm --import https://debian.neo4j.com/neotechnology.gpg.key
 ----
 
-Create a `neo4j.repo` file:
-
+. Create a `neo4j.repo` file in the `/etc/yum.repos.d/` directory.
+This file contains the repository configuration for Neo4j.
++
 [source, shell, subs="attributes"]
 ----
-cat << EOF >  /etc/yum.repos.d/neo4j.repo
+cat <<EOF > /etc/yum.repos.d/neo4j.repo
 [neo4j]
 name=Neo4j RPM Repository
 baseurl=https://yum.neo4j.com/stable/latest
 enabled=1
 gpgcheck=1
 EOF
 ----
-
++
 [NOTE]
 ====
 If you are upgrading from Neo4j 5.x or earlier, you may need to clear the package manager cache before Neo4j packages become available:
 
 `yum clean dbcache`
 ====
 
+. Verify that the Neo4j repository is set up correctly by listing the available Neo4j packages versions:
++
+[source, shell]
+----
+yum list neo4j --showduplicates
+----
+
 === Install Neo4j
 
 Install Neo4j as `root` using the following commands depending on which edition you are using: