diff --git a/README.md b/README.md
index 034cb48..d633b01 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ viewer/schematic browser for the [naja](https://github.com/najaeda/naja) SNL
 netlist data model. It builds to two targets from the same core sources: a
 native desktop app and a WASM app that runs in a browser or a VSCode webview.
 
-![naja-schematic demo: tracing an output port back to its drivers, then extending the schematic pin by pin](docs/demo.gif)
+![naja-schematic demo on a gate-level RISC-V core: two driver traces overlaid across the core module boundary, shared wires striped in both colors, then Show Sources on a gate](docs/demo.gif)
 
 ## Features
 
diff --git a/docs/demo.gif b/docs/demo.gif
index 807ea72..6490a4a 100644
Binary files a/docs/demo.gif and b/docs/demo.gif differ
diff --git a/python/README.md b/python/README.md
index 611f02c..597e79a 100644
--- a/python/README.md
+++ b/python/README.md
@@ -5,7 +5,7 @@ netlists: the [naja-schematic](https://github.com/keplertech/naja-schematic)
 WASM viewer, packaged with the Python backend that answers it from a live
 najaeda netlist.
 
-![naja-schematic demo: tracing an output port back to its drivers, then extending the schematic pin by pin](https://raw.githubusercontent.com/keplertech/naja-schematic/main/docs/demo.gif)
+![naja-schematic demo on a gate-level RISC-V core: two driver traces overlaid across the core module boundary, shared wires striped in both colors, then Show Sources on a gate](https://raw.githubusercontent.com/keplertech/naja-schematic/main/docs/demo.gif)
 
 ```bash
 pip install naja-schematic