diff --git a/README.md b/README.md
index 2b8235a..0e4e53b 100644
--- a/README.md
+++ b/README.md
@@ -121,10 +121,11 @@ This extension only communicates to the Chhoto URL server instance you configure
 ## Acknowledgements
 This project was inspired by and modified from Edward Shen's [Shlink extension][shlink-extension]. Modifications include:
 1. Rewriting the backend code to contact a Chhoto URL server, rather than a Shlink server.
-2. Changing the appearance of the `options.html` page.
-3. Removing options which were either not possible to implement (because of the Chhoto URL server's limitations), or were not practical.
-4. Optimizing code where possible.
-5. Et cetera
+2. Adding a popup page for manual URL generation.
+3. Changing the appearance of the `options.html` page.
+4. Removing options which were either not possible to implement (because of the Chhoto URL server's limitations), or were not practical.
+5. Optimizing code where possible.
+6. Et cetera.
 
 ## Information
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