diff --git a/components/external/FTK_ReadMe.txt b/components/external/FTK_ReadMe.txt
index 40630da910..c35ca230e1 100644
--- a/components/external/FTK_ReadMe.txt
+++ b/components/external/FTK_ReadMe.txt
@@ -1 +1,2 @@
+remove hidden directory: ./ftk/.svn
 svn checkout http://ftk.googlecode.com/svn/trunk/ ftk
\ No newline at end of file