diff --git a/README.md b/README.md
index 92546e61..b816184a 100644
--- a/README.md
+++ b/README.md
@@ -30,8 +30,8 @@ main() async {
 
 # Options
 `serveStatic` accepts two named parameters.
-- **sourceDirectory**: A `Directory` containing the files to be served. If left null, then Angel will serve either from `build` or
-    `build/web`, depending on your `ANGEL_ENV`.
+- **sourceDirectory**: A `Directory` containing the files to be served. If left null, then Angel will serve either from `web` (in development) or
+    `build/web` (in production), depending on your `ANGEL_ENV`.
 - **indexFileNames**: A `List<String` of filenames that should be served as index pages. Default is `['index.html']`.
 - **virtualRoot**: To serve index files, you need to specify the virtual path under which
     angel_static is serving your files. If you are not serving static files at the site root,