diff --git a/docs/Config_Changes.md b/docs/Config_Changes.md
index 28e8f150..a3e7208b 100644
--- a/docs/Config_Changes.md
+++ b/docs/Config_Changes.md
@@ -10,7 +10,7 @@ All dates in this document are approximate.
 USB support.  They now use a unique chip id by default (where
 available).  If an "mcu" config section uses a "serial" setting that
 starts with "/dev/serial/by-id/" then it may be necessary to update
-the config.  Run "ls -l /dev/serial/by-id/" in an ssh terminal to
+the config.  Run "ls /dev/serial/by-id/*" in an ssh terminal to
 determine the new id.
 
 20191121: The pressure_advance_lookahead_time parameter has been