diff --git a/FAQ.md b/FAQ.md
index 5e6a5f3..7880f84 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -112,7 +112,9 @@ A: For immutable files this is true—the resulting capability will be the same
 
 **<a name="Q16_move_node_to_different_machine">Q16:</a> If I move the client node base directory to different machine and start the client there, will the node have the same node ID as on the previous machine?**
 
-A: Yes, the node ID is stored in the `my_nodeid` file in your tahoe base directory, and it is derived from the SSL public/private keypair which is stored in the `private` subdirectory of the tahoe base directory. As long as you move both of those then the node on the new machine will have the same node ID.
+A: Yes, the node ID is stored in the `my_nodeid` file in each node's base directory, and it is derived from the SSL public/private keypair which is stored in `private/node.pem` relative to the base directory. As long as you move both of those then the node on the new machine will have the same node ID.
+
+If you are moving these files into an existing base directory of a node that has already been run, then you will also need to delete or move aside `private/*.furl` under that directory, otherwise the node won't start.
 
 **<a name="Q17_multiple_introducers">Q17:</a> Is it possible to run multiple introducers on the same grid?**