diff --git a/doc/wrs-user-manual.in b/doc/wrs-user-manual.in
index 8ebad4be2e4be712ceae886411fbf8a967ec5af5..9fe1c1910f7c6a28434327885d51985821dc35c5 100644
--- a/doc/wrs-user-manual.in
+++ b/doc/wrs-user-manual.in
@@ -3797,8 +3797,8 @@ $ gunzip wrs-usr.tar.gz
 In the same directory as @t{wrs-usr.tar}, copy files to be added to the firmware
 with the full path e.g., @t{wr/etc/tx_phase_cal.conf}
 @smallexample
-$ mkdir wr/etc
-$ cp ../tx_phase_cal.conf .
+$ mkdir -p wr/etc
+$ cp ../tx_phase_cal.conf wr/etc
 @end smallexample
 Add @t{wr/etc/tx_phase_cal.conf} to @t{wrs-usr.tar}.
 @smallexample