diff --git a/README.md b/README.md
index e8eb5e8..aca5bbb 100644
--- a/README.md
+++ b/README.md
@@ -83,3 +83,9 @@ Ran 129 tests in 1.375s
 OK
 <unittest.runner.TextTestResult run=129 errors=0 failures=0>
 ```
+
+## Fair Warning
+
+Heroku limits the final application footprint (slug) size to 300MB. Start small. 
+
+ॐ