diff --git a/Writerside/c.list b/Writerside/c.list
index c4c77a2..55da3c5 100644
--- a/Writerside/c.list
+++ b/Writerside/c.list
@@ -3,4 +3,6 @@
         SYSTEM "https://resources.jetbrains.com/writerside/1.0/categories.dtd">
 <categories>
     <category id="wrs" name="Writerside documentation" order="1"/>
+    <category id="related" name="Related topics" order="2"/>
+    <category id="external" name="External resources" order="3"/>
 </categories>
\ No newline at end of file