diff --git a/README.md b/README.md
index a43f710..27a1af8 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 TAI-locked MXL test source. Each output writes a `video/v210` flow and an `audio/float32` flow (optional `video/smpte291` timecode and a fill/key pair) and publishes them as an NMOS sender group.
 
+Part of [mxl-stack](https://github.com/LeeO86/mxl-stack), a collection of open-source MXL media functions with Docker Compose and Kubernetes examples.
+
+![mxl-test-player: two outputs playing colour bars with 16 audio channels](assets/web-ui.png)
+
 ```bash
 cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release
 cmake --build build -j
diff --git a/SPECIFICATION.md b/SPECIFICATION.md
index 1c30c5b..e6db271 100644
--- a/SPECIFICATION.md
+++ b/SPECIFICATION.md
@@ -6,7 +6,7 @@ Changelog: v0.3 — live custom text burn-ins (§5.5) and a moving box with buil
 Repository: `LeeO86/mxl-test-player` (name can still change)
 Aligns with: `LeeO86/mxl-decklink`, `LeeO86/mxl-st2110-gateway`, `LeeO86/mxl-fabrics-agent`,
 `LeeO86/mxl-multiviewer`, `LeeO86/mxl-webrtc-monitor`, `LeeO86/mxl-srt-gateway`,
-platform repo `mmz-srf/mxl-poc-platform`. Functional inspiration: the CBC
+the (private) platform repository. Functional inspiration: the CBC
 `test-generator` and `file-player` from `cbcrc/mxl-hands-on`.
 
 The key words MUST, MUST NOT, SHOULD, SHOULD NOT and MAY are used as in RFC 2119.
diff --git a/assets/web-ui.png b/assets/web-ui.png
new file mode 100644
index 0000000..342ebe0
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