diff --git a/docs/8.0/ayanova/docs/index.md b/docs/8.0/ayanova/docs/index.md
index 82842cd7..ee284397 100644
--- a/docs/8.0/ayanova/docs/index.md
+++ b/docs/8.0/ayanova/docs/index.md
@@ -8,7 +8,7 @@
 
 #### [Installation and maintenance](ops-intro.md)
 
-#### [Change log / release notes](https://ayanova.com/docs/changelog)
+#### [Change log / release notes](changelog.md)
 
 #### [Software developers guide](api-intro.md)
 
diff --git a/docs/8.0/ayanova/docs/ops-upgrade.md b/docs/8.0/ayanova/docs/ops-upgrade.md
index fbc48bf0..2a27d03b 100644
--- a/docs/8.0/ayanova/docs/ops-upgrade.md
+++ b/docs/8.0/ayanova/docs/ops-upgrade.md
@@ -8,6 +8,8 @@
 
 AyaNova updates are available with an active Maintenance plan.
 
+**If you upgrade AyaNova without an active maintenance plan ** AyaNova will fail to start and you will need to downgrade to continue working.
+
 Check the [license form](adm-license.md#maintenance-expired-message) in AyaNova if you are not sure if your maintenance plan is still active or needs to be renewed.
 
 Maintenance plans can be renewed from [the pricing page on our website](https://www.ayanova.com/r/pricing.htm).