diff --git a/readme.md b/readme.md
index 63152c9..3c9622f 100644
--- a/readme.md
+++ b/readme.md
@@ -4,6 +4,8 @@ Convert HTML and `<canvas>` to SVG using Chromium.
 
 ## Usage
 
+> A Docker image is currently being built.
+
 ### CLI
 
 ```shell