update description

src/ui/pages/help.html

@@ -192,8 +192,8 @@
 							</li>
 							<li><code>"self-extracting ZIP"</code>: self-extracting ZIP file that can be
 								opened on any platform from HTTP but not from the filesystem in some browsers (e.g.
-								in browsers based on Chromium or WebKit). This format produces files smaller (approx.
-								1%) than the "self-extracting ZIP (universal)" format.</li>
+								in browsers based on Chromium or WebKit) without SingleFile to be installed. This format
+								produces files smaller (approx. 1%) than the "self-extracting ZIP (universal)" format.</li>
 							<li><code>"ZIP"</code>: ZIP file</li>
 						</ul>
 					</li>