added a note about the default download folder

README.MD

@@ -29,6 +29,7 @@ https://www.youtube.com/watch?v=RdV8DBW5b0g
    - or all the tabs.
  - With auto-save active, pages are automatically saved every time after being loaded (or before being unloaded if not).
  - Right-click on the SingleFile button and select "Options" to open the options page.
+ - The default save folder is the download folder configured in your browser, cf. about:preferences in Firefox and chrome://settings in Chrome.
  - You can use the shortcut Ctrl+Shift+X to save current or selected tabs in Chrome. Go to chrome://extensions/shortcuts to change it.
 
 ## More info

extension/ui/pages/help.html

@@ -66,10 +66,13 @@
 						</ul>
 					</li>
 					<li>With auto-save active, pages are automatically saved every time after being loaded (or before being unloaded
-						if
-						not).
+						if not).
 					</li>
 					<li>Right-click on the SingleFile button and select "Options" to open the options page.</li>
+					<li>
+						The default save folder is the download folder configured in your browser, cf. about:preferences in Firefox and
+						chrome://settings in Chrome.
+					</li>
 					<li>You can use the shortcut Ctrl+Shift+X to save current or selected tabs in Chrome. Go to
 						<a href="chrome://extensions/shortcuts">chrome://extensions/shortcuts</a> to change it.</li>
 				</ul>