diff --git a/README.rst b/README.rst
index e79b97e..fbb7d27 100644
--- a/README.rst
+++ b/README.rst
@@ -23,7 +23,7 @@ send message and get response from smtp server:
 and more:
 
 * DKIM signature
-* Render body from template
+* Render email subject and body using Jinja templates
 * Flask extension and Django integration
 * Message body transformation methods
 * Load message from url or from file
diff --git a/docs/examples.rst b/docs/examples.rst
index d50e7d2..5c304ce 100644
--- a/docs/examples.rst
+++ b/docs/examples.rst
@@ -45,6 +45,7 @@ Use templates:
     message.send(to=('John Brown', 'jbrown@gmail.com'),
                  render={'name': 'John Brown', 'billno': '141051906163'})
 
+The :code:`JinjaTemplate` constructor expects a unicode string as the first argument. Therefore templates stored in external files can be added using :code:`T(open('template.html').read())`.
 
 
 Add DKIM signature: