diff --git a/readme.md b/readme.md
index 888ff36..0a50b17 100644
--- a/readme.md
+++ b/readme.md
@@ -9,13 +9,16 @@
 ---
 
 <p align="center">
-  <img src="docs/ui.png" alt="inØsight user interface">
+  <img src="docs/inzerosight.gif" alt="inØsight demo">
 </p>
 
 <p align="center">
-  <img src="docs/inzerosight.gif" alt="inØsight demo">
+  <img src="docs/ui.png" alt="inØsight user interface">
 </p>
 
+### Sign
+When enabled, prepends an invisible zero-width signature to the output. This allows inØsight to automatically detect hidden messages across web pages, identify the base and cipher, and show the on-screen decode button.
+
 ## How ZWUS Works
 
 1. Take each character's Unicode code point.