Fixes as per testing.

Web/OfficeWeb/apps/presentationeditor/main/resources/help/en/UsageInstructions/InsertHeadersFooters.htm

@@ -43,7 +43,7 @@
                     The <b>Notes and Handouts</b> tab contains information printed out with the contents of the <em>Notes</em> field. This tab contains the following settings:
                     <ul>
                         <li>
-                            <b>Date and time</b> - check this box to insert a date or time in the selected format. The selected date will be added to the top right corner of the notes and handouts' header/footer.
+                            <b>Date and time</b> - check this box to insert a date or time in the selected format. The selected date will be added to the top right corner of the notes and handouts header/footer.
                             <p>Specify the necessary data format:</p>
                             <ul>
                                 <li>
@@ -53,9 +53,9 @@
                                 <li><b>Fixed</b> - check this radio button if you do not want to automatically update the date and time.</li>
                             </ul>
                         </li>
-                        <li><b>Page number</b> - check this box if you want to insert page numbers in the bottom right corner of the notes and handouts' header/footer.</li>
-                        <li><b>Header</b> - type in the text shown at the header of the slide Notes in the top left corner of the notes and handouts' header/footer.</li>
-                        <li><b>Footer</b> - type in the text shown at the footer of the slide Notes in the bottom left corner of the notes and handouts' header/footer.</li>
+                        <li><b>Page number</b> - check this box if you want to insert page numbers in the bottom right corner of the notes and handouts header/footer.</li>
+                        <li><b>Header</b> - type in the text shown at the header of the slide Notes in the top left corner of the notes and handouts header/footer.</li>
+                        <li><b>Footer</b> - type in the text shown at the footer of the slide Notes in the bottom left corner of the notes and handouts header/footer.</li>
                         <li>The changes are displayed in the preview window on the right.</li>
                     </ul>
                     <p><img alt="Notes Handouts Settings" src="../images/notes_handouts.png" /></p>

Web/OfficeWeb/apps/spreadsheeteditor/main/resources/help/en/Functions/sortby.htm

@@ -53,10 +53,11 @@
             </tr>
         </table>
         <h3>Notes</h3>
+        <p>Please note that this is an array formula. To learn more, please read the <a href="https://test-helpcenter.onlyoffice.com/onlyoffice-editors/onlyoffice-spreadsheet-editor/UsageInstructions/InsertArrayFormulas.aspx">Insert array formulas</a> article.</p>
         <p><a href="../UsageInstructions/InsertFunction.htm#applyfunction" onclick="onhyperlinkclick(this)">How to apply</a> the <b>SORTBY</b> function.</p>
         <h3>Examples</h3>
         <p>The figure below displays the result returned by the <b>SORTBY</b> function.</p>
-        <!--<p><img alt="SORTBY Function" src="../images/sortby.png" /></p>-->
+        <p><img alt="SORTBY Function" src="../images/sortby.png" /></p>
     </div>
 </body>
 </html>