fixing the word lines to the singular and adding + for indexation of content

Author: lidiazuin

docs/modules/ROOT/pages/install.adoc

@@ -5,18 +5,17 @@
 You can either download a prebuilt jar from the https://github.com/jbarrasa/neosemantics/releases[releases area] or build it from the source. If you prefer to build, check the note below.
 
 1. Copy the  the jar(s) in the <NEO_HOME>/plugins directory of your Neo4j instance. (**note:** If you're going to use the JSON-LD serialisation format for RDF, you'll need to include also link:/labs/apoc/[APOC])
-2. Add the following lines to your <NEO_HOME>/conf/neo4j.conf (notice that it is possible to modify where the extension is mounted by using an alternative name to `/rdf` below).
+2. Add the following line to your <NEO_HOME>/conf/neo4j.conf (notice that it is possible to modify where the extension is mounted by using an alternative name to `/rdf` below).
 +
 [source,shell]
 ----
 dbms.unmanaged_extension_classes=n10s.endpoint=/rdf
 ----
-
++
 [NOTE]
 ----
 When the property `dbms.security.procedures.allowlist` is set, then it must include `n10s.*`` too.
 ----
-
 3. Restart the server.
 4. Check that the installation went well by running
 [source,cypher]