Bug 797678 New Append checkbox in Generic Import Transaction Matcher

manual/C/Help_ch_Transactions.xml

@@ -2218,6 +2218,17 @@ Translators:
             </para>
           </listitem>
 
+          <listitem>
+            <para><emphasis role="bold"><guibutton>Append</guibutton></emphasis>: Checkbox to indicate
+              that when updating and clearing a matched transaction, the imported <guilabel>Description</guilabel>
+              and <guilabel>Notes</guilabel> are to be appended to the matched transaction
+              <guilabel>Description</guilabel> and <guilabel>Notes</guilabel> respectively, rather than
+              overwriting them. When the <emphasis role="bold"> <guibutton>OK</guibutton></emphasis>
+              button is clicked, the state of the checkbox is saved so the next import for that account
+	      will automatically default it to the saved state;
+            </para>
+          </listitem>
+
           <listitem>
             <para><emphasis role="bold"><guibutton>Reconcile after match</guibutton></emphasis>: Checkbox to
               automatically start the reconciliation process after transactions have been matched and imported;