fixed "remove frames" help

extension/ui/pages/help.html

@@ -81,9 +81,12 @@
 					</li>
 
 					<li>
-						<span class="option">remove frame elements</span>
-						<p>Check this option to remove all frames and iframes. This can considerably reduce the size of the file without altering
-							the document most of the time.</p>
+						<span class="option">remove frames</span>
+						<p>Check this option to remove all frame and iframe elements. This can considerably reduce the size of the file without
+							altering the document most of the time.</p>
+						<p class="notice">It is recommended to
+							<u>check</u> this option</p>
+					</li>
 						<p class="notice">It is recommended to
 							<u>check</u> this option</p>
 					</li>