diff --git a/README.md b/README.md
index ecb343088..99cca1106 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,22 @@ or the current development version :
```
+The previous code will allow you to use raw python code but imports will fail as they are implemented using ajax calls and it will not work using http://rawgit.com/. If you want to test your projects using a standalone javascript file with the [available stdlib](https://github.com/brython-dev/brython/tree/master/www/src/Lib) included (so import would work) you should use:
+
+```xml
+
+```
+
+or the current development version :
+
+```xml
+
+```
+
Local install
-------------
You can also install the development environment locally, either by cloning the
@@ -154,4 +170,4 @@ Thank you
=========
- [BrowserStack](http://www.browserstack.com) for providing an access
-to their online testing environment.
\ No newline at end of file
+to their online testing environment.