diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
index 4b9ba3eb0..d12de4d54 100644
--- a/rest_framework/renderers.py
+++ b/rest_framework/renderers.py
@@ -799,7 +799,7 @@ class DocumentationRenderer(BaseRenderer):
     format = 'html'
     charset = 'utf-8'
     template = 'rest_framework/docs/index.html'
-    code_style = 'default'
+    code_style = 'emacs'
 
     def get_context(self, data):
         from pygments.formatters import HtmlFormatter
diff --git a/rest_framework/templates/rest_framework/docs/index.html b/rest_framework/templates/rest_framework/docs/index.html
index 0a5fd2eb5..8e454dc57 100644
--- a/rest_framework/templates/rest_framework/docs/index.html
+++ b/rest_framework/templates/rest_framework/docs/index.html
@@ -57,7 +57,7 @@
 
             const coreapi = window.coreapi
             const codec = new coreapi.codecs.CoreJSONCodec()
-            const schema = {{ schema }}
+            const schema = '{"_type": "document"}' {{ schema }}
             const doc = codec.decode(schema, {preloaded: true})
             const client = new coreapi.Client()
 
diff --git a/rest_framework/templatetags/rest_framework.py b/rest_framework/templatetags/rest_framework.py
index 6427308d9..014010562 100644
--- a/rest_framework/templatetags/rest_framework.py
+++ b/rest_framework/templatetags/rest_framework.py
@@ -53,7 +53,7 @@ def do_code(parser,token):
 
 
 class CodeNode(template.Node):
-    style = 'default'
+    style = 'emacs'
 
     def __init__(self, lang, code):
         self.lang = lang