diff --git a/README b/README
index 2d097ae2..e773aca5 100644
--- a/README
+++ b/README
@@ -127,6 +127,10 @@ Locally build a package (see 'osc help build' for more info):
  osc build <repo> <arch> specfile [--clean|--noinit]
 
 
+Update a package to a different sources (directory foo_package_source):
+ cp -a foo_package_source foo; cd foo; osc init <prj> <pac>; osc addremove; osc ci; cd $OLDPWD; rm -r foo
+
+
 
 HINT FOR W3M USERS