diff --git a/bin/steps/nltk b/bin/steps/nltk
index ec44a4845ffe72f4317df7cedd2f1c16c21f7abc..ea07799bc7e07d018849c65a1d23873f3dae1e11 100755
--- a/bin/steps/nltk
+++ b/bin/steps/nltk
@@ -23,7 +23,8 @@ if [ $? -eq 0 ]; then
         python -m nltk.downloader -d $BUILD_DIR/.heroku/python/nltk_data $nltk_packages  | indent
         set-env NLTK_DATA "/app/.heroku/python/nltk_data"
     else
-        puts-warn "nltk.txt not found, not downloading any corpora"
+        puts-warn "'nltk.txt' not found, not downloading any corpora"
+        puts-warn "Learn more: https://devcenter.heroku.com/articles/python-nltk"
     fi
 fi