diff --git a/README.md b/README.md
index 3a7ddb8..2ca400b 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,6 @@ Requires `TWITTER_CONSUMER_KEY` and `TWITTER_CONSUMER_SECRET`, both of which you
 ./twit2blog
 ```
 
-2. Install the bookmarklet (run `nimble bookmark` to generate it and then create a bookmark in your browser with it as the location)
+2. Install the bookmarklet (run `nimble bookmark` to generate it and then create a bookmark in your browser with it as the location). This requires `uglifyjs` to be installed for now.
 
 3. Go to a twitter thread, click the bookmarklet, it will open up a new page where your thread will eventually be. Wait a bit and come back to your beautifully archived thread!