diff --git a/man/nwipe.1 b/man/nwipe.1
index ed59017..a91675c 100644
--- a/man/nwipe.1
+++ b/man/nwipe.1
@@ -1,4 +1,4 @@
-.TH NWIPE "1" "September 2019" "nwipe version 0.26" "User Commands"
+.TH NWIPE "1" "December 2019" "nwipe version 0.26" "User Commands"
 .SH NAME
 nwipe \- securely erase disks
 .SH SYNOPSIS
@@ -37,6 +37,10 @@ those specified devices immediately.
 \fB\-\-sync\fR
 Open devices in sync mode
 .TP
+\fB\-\-noblank\fR
+Do not perform the final blanking pass after the wipe (default is to blank,
+except when the method is RCMP TSSIT OPS\-II).
+.TP
 \fB\-\-nowait\fR
 Do not wait for a key before exiting (default is to wait).
 .TP
diff --git a/src/gui.c b/src/gui.c
index 7440c0e..4e9e152 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -1366,15 +1366,19 @@ void nwipe_gui_noblank( void )
 
 				/*                                 0         1         2         3         4         5         6         7        8  */
 				mvwprintw( main_window, yy++, tab1, "Perform a final blanking pass after the wipe, leaving disk with only zeros. " );
+				mvwprintw( main_window, yy++, tab1, "Note that the RCMP TSSIT OPS-II method never blanks the device regardless   " );
+				mvwprintw( main_window, yy++, tab1, "of this setting.                                                            " );
 				mvwprintw( main_window, yy++, tab1, "                                                                            " );
 				break;
 
 			case 1:
 
-				mvwprintw( main_window, 2, tab2, "syslinux.cfg:  nuke=\"nwipe -b\"" );
+				mvwprintw( main_window, 2, tab2, "syslinux.cfg:  nuke=\"nwipe --noblank\"" );
 
 				/*                                 0         1         2         3         4         5         6         7        8  */
 				mvwprintw( main_window, yy++, tab1, "Do not perform a final blanking pass. Leave data as per final wiping pass.  " );
+				mvwprintw( main_window, yy++, tab1, "Note that the RCMP TSSIT OPS-II method never blanks the device regardless   " );
+				mvwprintw( main_window, yy++, tab1, "of this setting.                                                            " );
 				mvwprintw( main_window, yy++, tab1, "                                                                            " );
 				break;