revert changes in github

Author: renetapopova

modules/ROOT/pages/index.adoc

@@ -2,18 +2,17 @@
 = The Neo4j Operations Manual
 :neo4j-buildnumber: {neo4j-version}
 :download-center-uri: https://neo4j.com/deployment-center/
-:upgrade-current-uri: https://neo4j.com/docs/upgrade-migration-guide/current/
 :lucene-version: 5_4_0
 :lucene-version-printed: 5.4.0
 :lucene-base-uri: http://lucene.apache.org/core/{lucene-version}
 
 :console: 0
 
-This is the Neo4j Operations Manual, which includes all the operational details and instructions for installing and deploying Neo4j on-premises and in the cloud.
+This is the Neo4j Operations Manual, which includes all the operational details and instructions for installing and deploying Neo4j on-premise and in the cloud.
 
-For all information on *upgrading and migrating Neo4j*, see link:{upgrade-current-uri}[the Neo4j Upgrade and Migration Guide].
+For all information on *upgrading and migrating Neo4j*, see the link:{neo4j-docs-base-uri}/upgrade-migration-guide/current/[Neo4j Upgrade and Migration Guide].
 
-For more information on link:https://neo4j.com/aura/[Aura], the Neo4j fully managed cloud service, see the link:https://neo4j.com/docs/aura/[Neo4j Aura Manual].
+For more information on link:https://neo4j.com/aura/[Aura], the Neo4j fully managed cloud service, see the link:{neo4j-docs-base-uri}/aura/[Aura] [Neo4j Aura Manual].
 
 
 The latest version of Neo4j is *{neo4j-version-exact}*.