Index: INSTALL
===================================================================
--- INSTALL	(revision 68)
+++ INSTALL	(revision 69)
@@ -1,2 +1,5 @@
 Full building instructions are available at :
 http://raydium.yoopla.org/wiki/RaydiumInstallEn
+
+If Subversion is installed on your system, you can use
+"svn update" only to update all Raydium source tree.