--- a/README	Thu Sep 21 06:47:03 2023 +0000
+++ b/README	Thu Sep 21 07:01:49 2023 +0000
@@ -1,11 +1,17 @@
-Welcome to FreeCalypso SIMtrace3
-================================
+Welcome to FreeCalypso SIMsniff
+===============================
 
-FC SIMtrace3 (aka SIMtrace-ice) is an alternative implementation of Osmocom
-SIMtrace principal idea, using an iCE40 FPGA instead of AT91SAMx MCU as the ISO
-7816-3 sniffing receiver.  Aside from this change from an MCU to an FPGA and
-thus from firmware to gateware, the other principal difference is that SIMtrace3
-is electrically clean and proper:
+FreeCalypso SIMsniff is an alternative project to Osmocom SIMtrace, created in
+response to technical limitations of the latter.  Both tools seek to solve the
+same problem (trace or sniff all communication between a phone, modem or other
+interface device and a SIM card) and use some passive hardware components in
+common (the FPC adapter cable that goes into the phone's SIM socket), but use
+different active components: Osmocom SIMtrace uses an AT91SAMx MCU as the ISO
+7816-3 sniffing receiver, whereas FC SIMsniff uses a voltage translating buffer
+followed by an iCE40 FPGA instead.
+
+The principal practical difference between the two tools is that FC SIMsniff is
+electrically clean and proper:
 
 * The sniffing apparatus makes a strictly Hi-Z connection to the SIM bus being
   sniffed;
@@ -17,7 +23,7 @@
 * The sniffing apparatus supports all 3 voltage classes that can be put out by
   the ME or other interface device: 1.8V, 3V and 5V are all good.
 
-The hardware setup of SIMtrace3 consists of:
+The hardware setup of FC SIMsniff consists of:
 
 * The same SIMtrace FPC cables (going from a SIM socket to the 6-pin FPC
   connector) that were originally developed for SIMtrace1/2 and are sold by