diff --git a/bootstrapper-manual.html b/bootstrapper-manual.html
index 4ab64d6..02d9b3d 100644
--- a/bootstrapper-manual.html
+++ b/bootstrapper-manual.html
@@ -78,8 +78,8 @@
 	<h2>client_config.json</h2>
 	<p>The bootstrapper's configuration is in <code>OpenWF/client_config.json</code> relative to your game folder. It has the following fields:</p>
 	<ul>
-		<li><code>fallback_language</code> — The language to use when Warframe.x64.exe was double-clicked or the argument was simply omitted.</li>
-		<li><code>fallback_graphicsDriver</code> — The graphics driver to use when Warframe.x64.exe was double-clicked or the argument was simply omitted.</li>
+		<li><code>fallback_language</code> — If not empty, this language will be used when Warframe.x64.exe is invoked without a <code>language</code> command line argument.</li>
+		<li><code>fallback_graphicsDriver</code> — If not empty, this graphics driver will be used when Warframe.x64.exe is invoked without a <code>graphicsDriver</code> command line argument.</li>
 		<li><code>fallback_cluster</code> — The cluster to use when Warframe.x64.exe was double-clicked or the argument was simply omitted. Can be <code>public</code>, <code>test</code>, or <code>dev</code> — the latter two enable some more logging.</li>
 
 		<li><code>server_host</code> — The hostname or IP address to redirect game traffic to. This should match <code>myAddress</code> in SpaceNinjaServer.</li>