diff --git a/README.md b/README.md
index a1030c5..05c31fc 100644
--- a/README.md
+++ b/README.md
@@ -54,8 +54,15 @@ This is based on [data-markdown](https://gist.github.com/1343518) from [Paul Iri
You can write your content as a separate file and have reveal.js load it at runtime. Note the separator arguments which determine how slides are delimited in the external file. The ```data-charset``` attribute is optional and specifies which charset to use when loading the external file.
+When used locally, this feature requires that reveal.js [runs from a local web server](#full-setup).
+
```html
-
+
+
```
#### Element Attributes
@@ -592,6 +599,8 @@ reveal.js comes with a speaker notes plugin which can be used to present per-sli
Notes are defined by appending an ```