diff --git a/idl/README b/idl/README
index f71085231e99..b494f10abac5 100644
--- a/idl/README
+++ b/idl/README
@@ -1,2 +1,7 @@
 SvIDL Compiler that generates C++ slot headers from SDI files in modules' sdi/
 subdirectory.
+
+There is an overview of basic architecture of the markup of SDI files in the
+OOo wiki:
+
+https://wiki.openoffice.org/wiki/Framework/Article/Implementation_of_the_Dispatch_API_In_SFX2