Update modules/ROOT/pages/performance/index-configuration.adoc

Co-authored-by: NataliaIvakina <82437520+NataliaIvakina@users.noreply.github.com>

modules/ROOT/pages/performance/index-configuration.adoc

@@ -263,7 +263,8 @@ A token lookup index is always created over all labels or relationship types, re
 
 Token lookup indexes are introduced in 4.3, and whereas the relationship type lookup index is a new concept, the node label lookup index is not.
 The latter evolved from the label scan store, which has existed in various forms for a long time.
-The node label lookup index provides the same functionality as the former label scan store. Still, it has additional features common to all indexes, such as the ability to be created and dropped using a non-blocking population.
+The node label lookup index provides the same functionality as the former label scan store.
+Still, it has additional features common to all indexes, such as the ability to be created and dropped using a non-blocking population.
 
 [[index-configuration-token-lookup-use-and-significance]]
 === Use and significance