diff --git a/flashrom.8.tmpl b/flashrom.8.tmpl
index e830d87..924a4f9 100644
--- a/flashrom.8.tmpl
+++ b/flashrom.8.tmpl
@@ -1322,6 +1322,9 @@
 .sp
 syntax where \fBfrequency\fP is the SPI clock frequency in kHz.
 The maximum speed depends on the device in use.
+.sp
+The \fBpower=on\fP option can be used to activate the 5 V power supply (PWR_5V)
+of the J-Link during a flash operation.
 .SS
 .BR "stlinkv3_spi " programmer
 .IP