give more details about the option "save raw page"

extension/ui/pages/help.html

@@ -215,7 +215,8 @@
 							browser where SingleFile is not installed.</p>
 					</li>
 					<li data-options-label="saveRawPageLabel"> <span class="option">Option: save raw page</span>
-						<p>Check this option to save the page without interpreting JavaScript. Checking this option may
+						<p>Check this option to save the raw HTML file that the browser received. When this option is
+							checked, the page will be saved as if JavaScript was disabled. Checking this option may
 							alter the document.</p>
 						<p class="notice">It is recommended to <u>uncheck</u> this option</p>
 					</li>