diff --git a/README.md b/README.md
index d8bdf0c..1ba1504 100644
--- a/README.md
+++ b/README.md
@@ -16,3 +16,9 @@
 
 -   Visualize hyperspectral data
 -   Analyze hyperspectral data
+-
+## Demo
+
+-   Visualizing spectral signature interactively
+
+![](https://i.imgur.com/zeyABMq.gif)
diff --git a/docs/index.md b/docs/index.md
index 9bf6e68..3cc95a9 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -15,3 +15,9 @@
 
 -   Visualize hyperspectral data
 -   Analyze hyperspectral data
+
+## Demo
+
+-   Visualizing spectral signature interactively
+
+![](https://i.imgur.com/zeyABMq.gif)
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