diff --git a/README.md b/README.md
index 501d8a2..d7fce63 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,14 @@ behave like a SIMtrace2 sniffer:
 SIM card ⇄ reader (passive tap on the contacts)
     → FX2 logic analyzer (fx2lafw, 8ch, 24MHz max)
     → sigrok-cli + iso7816 decoder
-    → GSMTAP UDP :4729  →  simtrace2-pysniff / Wireshark
+    → GSMTAP UDP :4729  →  [simtrace2-pysniff](https://github.com/anttro/simtrace2-pysniff) / Wireshark
 ```
 
+[simtrace2-pysniff](https://github.com/anttro/simtrace2-pysniff) is the
+recommended tool for visualising live traces and viewing saved captures —
+it can also import/export GSMTAP pcap files (including the PCAP written by
+this decoder's `pcap_file=<path>` option).
+
 ## The tap in practice
 
 ![Components](resources/components.jpg)