diff --git a/docs/api-guide/status-codes.md b/docs/api-guide/status-codes.md
index 1016f3374..c39afe397 100644
--- a/docs/api-guide/status-codes.md
+++ b/docs/api-guide/status-codes.md
@@ -20,13 +20,13 @@ The full set of HTTP status codes included in the `status` module is listed belo
 The module also includes a set of helper functions for testing if a status code is in a given range.
 
     from rest_framework import status
-	from rest_framework.test import APITestCase
+    from rest_framework.test import APITestCase
 
-	class ExampleTestCase(APITestCase):
-	    def test_url_root(self):
-	        url = reverse('index')
-	        response = self.client.get(url)
-	        self.assertTrue(status.is_success(response.status_code))
+    class ExampleTestCase(APITestCase):
+        def test_url_root(self):
+            url = reverse('index')
+            response = self.client.get(url)
+            self.assertTrue(status.is_success(response.status_code))
 
 
 For more information on proper usage of HTTP status codes see [RFC 2616][rfc2616]
@@ -51,6 +51,8 @@ This class of status code indicates that the client's request was successfully r
     HTTP_205_RESET_CONTENT
     HTTP_206_PARTIAL_CONTENT
     HTTP_207_MULTI_STATUS
+    HTTP_208_ALREADY_REPORTED
+    HTTP_226_IM_USED
 
 ## Redirection - 3xx
 
@@ -64,6 +66,7 @@ This class of status code indicates that further action needs to be taken by the
     HTTP_305_USE_PROXY
     HTTP_306_RESERVED
     HTTP_307_TEMPORARY_REDIRECT
+    HTTP_308_PERMANENT_REDIRECT
 
 ## Client Error - 4xx
 
@@ -90,6 +93,7 @@ The 4xx class of status code is intended for cases in which the client seems to
     HTTP_422_UNPROCESSABLE_ENTITY
     HTTP_423_LOCKED
     HTTP_424_FAILED_DEPENDENCY
+    HTTP_426_UPGRADE_REQUIRED
     HTTP_428_PRECONDITION_REQUIRED
     HTTP_429_TOO_MANY_REQUESTS
     HTTP_431_REQUEST_HEADER_FIELDS_TOO_LARGE
@@ -105,7 +109,11 @@ Response status codes beginning with the digit "5" indicate cases in which the s
     HTTP_503_SERVICE_UNAVAILABLE
     HTTP_504_GATEWAY_TIMEOUT
     HTTP_505_HTTP_VERSION_NOT_SUPPORTED
+    HTTP_506_VARIANT_ALSO_NEGOTIATES
     HTTP_507_INSUFFICIENT_STORAGE
+    HTTP_508_LOOP_DETECTED
+    HTTP_509_BANDWIDTH_LIMIT_EXCEEDED
+    HTTP_510_NOT_EXTENDED
     HTTP_511_NETWORK_AUTHENTICATION_REQUIRED
 
 ## Helper functions