diff --git a/specs/9.0/murano-fuel-plugin.rst b/specs/9.0/murano-fuel-plugin.rst
index 1f31ae81..6f0b2974 100644
--- a/specs/9.0/murano-fuel-plugin.rst
+++ b/specs/9.0/murano-fuel-plugin.rst
@@ -54,8 +54,13 @@ way:
 * Fuel 9.0 should support same Murano deployment as it was supported in
   Fuel 8.0 without any new features;
 
-* It will not be possible to install Murano plugin with Murano enabled from
-  the box.
+* It will be possible to install Murano plugin with Murano enabled from
+  the box: Murano services from base Fuel ISO will be stopped (in case when
+  user wants to install Murano on another node) or Murano codebase
+  will be updated on current nodes and Murano services will be restarted;
+
+* It will be possible to install and update Murano Glance Artifact plugin
+  (which is present as package) on controller nodes;
 
 * All Murano codebase will be removed in Fuel 10.0 release.
 
@@ -178,9 +183,15 @@ each commit to Murano plugin repository.
 Documentation impact
 --------------------
 
-Murano can be used as built in Fuel and as plugin. It will be impossible
+Murano can be used as built in Fuel and as plugin. It will be possible
 to deploy Murano as plugin in the same time with Murano from box.
-It should be noted: Murano deployment as built in Fuel is deprecated.
+In case when Murano has new code dependencies, which can not be installed
+on existing node (controller nodes), it must be noted in plugin release
+notes that Murano can't be installed on controller nodes anymore because
+those new dependencies could break other OpenStack componens. Since this
+moment Murano will require standalone node.
+
+Also should be noted: Murano deployment as built in Fuel is deprecated.
 
 
 --------------
@@ -223,9 +234,25 @@ Work Items
   plugin Web UI.
 
 * Upgrade script for plugin: this script should be able to update Murano
-  plugin to newer version. Also it should be possible to upgrade Murano from
-  Fuel 8.0 environment which is going to be upgraded to 9.0 with Murano
-  from plugin.
+  plugin to newer version. Also should be updated Murano Glance Artifact
+  plugin (package) on controller nodes.
+
+* Also it should be possible to install Murano plugin on top of base
+  Murano codebase from Fuel ISO. In this case all base Murano Fuel task
+  will be skipped, Murano services will be stopped on controller node
+  (in case of using separate Murano node) or Murano codebase will be
+  updated and Murano services will be restarted (in case when Murano
+  plugin is installed on same controller nodes as base Murano).
+
+* In case when Murano plugin has new code requirements, release notes must
+  contain information about possibility to install new plugin version
+  on top of existing Murano installation: can be used same node or new
+  plugin version requires standalone node.
+
+* Also it should be possible to upgrade Murano from Fuel 8.0 environment
+  which is going to be upgraded to 9.0 with Murano from plugin. In this
+  case Fuel should be upgraded first and then Murano will be upgraded
+  via plugin.
 
 * Support for plugin installation would be added in OSTF tests for 9.0.
   Support for non-plugin installation would be left in 9.0 tests.