[Docs] Grammatical fix in important-settings.asciidoc (#27654)

docs/reference/setup/important-settings/node-name.asciidoc

@@ -1,8 +1,8 @@
 [[node.name]]
 === `node.name`
 
-By default, Elasticsearch will take the 7 first character of the randomly
-generated uuid used as the node id.  Note that the node id is persisted and does
+By default, Elasticsearch will use the first seven characters of the randomly
+generated UUID as the node id.Note that the node id is persisted and does
 not change when a node restarts and therefore the default node name will also
 not change.