diff --git a/CHANGES b/CHANGES
index 47ac85a6a..c3a4a083f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -64,6 +64,7 @@ Features added
 
   - #537: Added :confval:`nitpick_ignore`.
   - #306: Added :event:`env-get-outdated` event.
+  - :meth:`.Application.add_stylesheet` now accepts full URIs.
 
 * Autodoc:
 
diff --git a/doc/ext/appapi.rst b/doc/ext/appapi.rst
index d43a90eb1..643de9950 100644
--- a/doc/ext/appapi.rst
+++ b/doc/ext/appapi.rst
@@ -256,7 +256,7 @@ the following public API:
 
    Add *filename* to the list of CSS files that the default HTML template will
    include.  Like for :meth:`add_javascript`, the filename must be relative to
-   the HTML static path.
+   the HTML static path, or a full URI with scheme.
 
    .. versionadded:: 1.0