docs/man/must_ep2000pro.txt: carry over a comment from PR description [#3228]

jimklimov · jimklimov · commit 2a9c5fe660f2 · 2025-12-23T11:57:04.000+01:00
Signed-off-by: Jim Klimov &lt;jimklimov+nut@gmail.com&gt;
diff --git a/docs/man/must_ep2000pro.txt b/docs/man/must_ep2000pro.txt
@@ -100,6 +100,9 @@ powers off the device.
 
 There is no setting in device documentation to specify a shutdown delay.
 
+On development side: to write even a single register, you must use the
+"write multiple registers" command.
+
 AUTHOR
 ------
 
