diff --git a/SCSI-Bus-Capture.md b/SCSI-Bus-Capture.md
index 38af029..9fb1768 100644
--- a/SCSI-Bus-Capture.md
+++ b/SCSI-Bus-Capture.md
@@ -41,4 +41,6 @@ Once GTKWave launches, open the .VCD file that was captured by scsimon.
 * Double-click each of the signals that show up below the SST frame. This will add them to the Wave panel.
 * Now, you should be able to see all of the data presented.
 
+Note: There may be A LOT of zero data captured, since the SCSI bus may be sitting idle when you start the capture
+
 <a href="./images/gtkwave.png"><img src="./images/gtkwave.png" width="400"/></a>
\ No newline at end of file