diff --git a/src/General/Settings/Filter-guide.html b/src/General/Settings/Filter-guide.html
index 9d453ced6..50ffaf0af 100644
--- a/src/General/Settings/Filter-guide.html
+++ b/src/General/Settings/Filter-guide.html
@@ -10,6 +10,10 @@
     Per boards, separate them with commas. It is global if not specified.<br>
     For example: <code>boards:a,jp;</code>.
   </li>
+  <li>
+    In case of a global rule, select boards to be excluded from the filter.<br>
+    For example: <code>exclude:vg,v;</code>.
+  </li>
   <li>
     Filter OPs only along with their threads (`only`), replies only (`no`), or both (`yes`, this is default).<br>
     For example: <code>op:only;</code>, <code>op:no;</code> or <code>op:yes;</code>.