Apply suggestions from code review

Co-authored-by: Daria Vladykina <[email protected]>

xml/help_admin.xml

@@ -26,16 +26,16 @@
       xlink:href="https://documentation.suse.com/#sles"/><link os="sled"
       xlink:href="https://documentation.suse.com/#sled"/><link os="osuse"
       xlink:href="https://doc.opensuse.org"/>. Topics covered range from
-      deployment, upgrade, and system administration to virtualization, system
-      tuning, and security, among others.
+      deployment, upgrade and system administration to virtualization, system
+      tuning and security, among others.
     </para>
     <para os="sles">
-      At <link xlink:href="https://documentation.suse.com/sbp-supported.html"/>
-      you find &suse;'s best practice series of documents covering hands-on
+      At <link xlink:href="https://documentation.suse.com/sbp-supported.html"/>,
+      you can find &suse;'s best practice series of documents covering hands-on
       documentation on implementation scenarios. At <link
-      xlink:href="https://documentation.suse.com/trd-supported.html"/> our
+      xlink:href="https://documentation.suse.com/trd-supported.html"/>, our
       technical reference documentation series provides guides on deploying
-      solution components from SUSE and its partners.
+      solution components from &suse; and its partners.
     </para>
    </listitem>
   </varlistentry>
@@ -95,7 +95,7 @@
   </para>
 
   <note>
-   <title>Contents depends on installed packages</title>
+   <title>Contents depend on installed packages</title>
    <para>
     In the Linux world, manuals and other kinds of documentation are
     available in the form of packages, like software. How much and which
@@ -107,7 +107,7 @@
   </note>
 
   <sect2 xml:id="sec-help-onboard-docdir-releasenotes">
-   <title>Release Notes</title>
+   <title>Release notes</title>
    <para>
      We provide HTML, PDF, RTF and text versions of &productname; release
      notes. They are available on your installed system under