diff --git a/doc/README.fsl-ddr b/doc/README.fsl-ddr
index 59583b3..b2a7c0f 100644
--- a/doc/README.fsl-ddr
+++ b/doc/README.fsl-ddr
@@ -279,6 +279,7 @@
 type command "compute" to calculate the parameters from the default
 type command "print" with arguments to show SPD, options, registers
 type command "edit" with arguments to change any if desired
+type command "copy" with arguments to copy controller/dimm settings
 type command "go" to continue calculation and enable DDR controller
 type command "reset" to reset the board
 type command "recompute" to reload SPD and start over
@@ -313,6 +314,10 @@
 			  byte number if the object is SPD
 	<value>		- decimal or heximal (prefixed with 0x) numbers
 
+copy <src c#> <src d#> <spd|dimmparms|commonparms|opts|addresses|regs> <dst c#> <dst d#>
+	same as for "edit" command
+	DIMM numbers ignored for commonparms, opts, and regs
+
 reset
 	no arguement	- reset the board