Merge "Added warning about sysadmin and admin passwords (r10, dsr10)"

doc/source/updates/kubernetes/introduction-platform-software-updates-upgrades-06d6de90bbd0.rst

@@ -10,22 +10,27 @@ Introduction
 |prod| software management enables you to upversion your |prod| software to a
 new Patch Release or a new Major Release.
 
+.. warning::
+
+    The sysadmin and admin passwords must be set to the same value prior to
+    starting an upgrade from |prod-long| Release |v_r9| to |prod| Release |v_r10|.
+
 **Major Releases** (versioned as 'X.Y.0', for example, starlingx-10.0.0)
 
--  deliver new and enhanced feature content,
+-  deliver new and enhanced feature content
 
--  are packaged and delivered as Install ISOs containing all software packages.
+-  are packaged and delivered as install ISOs containing all software packages
 
 **Patch Releases** (versioned as 'X.Y.P', for example, starlingx-10.0.3)
 
--  deliver fixes for known bugs and CVE vulnerabilities,
+-  delivers fixes for known bugs and CVE vulnerabilities
 
--  are packaged and delivered as patch archive files,
+-  are packaged and delivered as patch archive files
 
-   -  containing only new and changed software packages,
+   -  containing only new and changed software packages
 
    -  with meta data to indicate dependencies on previously released Patch
-      Releases or the associated Major Release.
+      Releases or the associated Major Release
 
 Both Major Releases and Patch Releases are **cryptographically signed** to
 ensure integrity and authenticity, and the StarlingX REST APIs, CLIs, and GUI
@@ -77,4 +82,5 @@ active deployment has not been both completed and deleted.
 
 For a Patch Release only, a **removal or un-deployment of a release** is
 supported. One or more Patch Releases can be removed/un-deployed by deploying a
-previous Patch Release.
+previous Patch Release.
+