diff --git a/doc/classes/IP_Unix.xml b/doc/classes/IP_Unix.xml
index 28e8a3804b..1d376c7233 100644
--- a/doc/classes/IP_Unix.xml
+++ b/doc/classes/IP_Unix.xml
@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="IP_Unix" inherits="IP" category="Core" version="3.0-beta">
 	<brief_description>
+		Unix IP support. See [IP].
 	</brief_description>
 	<description>
+		Unix-specific implementation of IP support functions. See [IP].
 	</description>
 	<tutorials>
 	</tutorials>