Update README files..

README.copy-userdata-to-new-installation

@@ -27,6 +27,16 @@ cp -a cryptpad cryptpad.CURRENT
 #
 cp cryptpad.BAK.${backup_date}/config/config.js cryptpad/config/config.js
 
+# Instanzkonfiguration
+#
+# Note:
+#    some settings cannot be changed once user accounts have been created.
+#
+cp cryptpad.BAK.${backup_date}/customize/application_config.js cryptpad/customize/application_config.js
+
+
+# Copy user data
+#
 for i in blob blobstage block datastore ; do
 
    echo""