diff --git a/docs/source/install/uninstall.rst b/docs/source/install/uninstall.rst
index 87540b51f..33b4880c8 100644
--- a/docs/source/install/uninstall.rst
+++ b/docs/source/install/uninstall.rst
@@ -113,6 +113,12 @@ below. Only execute the instructions for your distribution.
     sudo yum erase st2 st2mistral st2chatops st2web st2python bwc-ui st2flow
 
 
+.. note::
+
+  Omit st2mistral from list of packages if Mistral is not installed in your installation
+
+
+
 3. Remove |st2| System User
 ---------------------------
 
diff --git a/docs/source/install/upgrades.rst b/docs/source/install/upgrades.rst
index cffd0582f..06f4631a3 100644
--- a/docs/source/install/upgrades.rst
+++ b/docs/source/install/upgrades.rst
@@ -136,8 +136,14 @@ This is the standard upgrade procedure:
 
       sudo yum update st2 st2web st2chatops st2mistral
 
+   .. note::
+
+      Omit st2mistral from list of packages if Mistral is not installed in your installation
+
 3. Upgrade Mistral database:
 
+   This step can be skipped if Mistral is not installed on your installation.
+
    .. sourcecode:: bash
 
      /opt/stackstorm/mistral/bin/mistral-db-manage --config-file /etc/mistral/mistral.conf upgrade head