diff --git a/README.md b/README.md
index e1e252609..155f8dead 100644
--- a/README.md
+++ b/README.md
@@ -24,9 +24,10 @@ The initial aim is to provide a single full-time position on REST framework.
   <a href="http://jobs.rover.com/"><img src="https://raw.githubusercontent.com/tomchristie/django-rest-framework/master/docs/img/premium/rover-readme.png"/></a>
   <a href="https://getsentry.com/welcome/"><img src="https://raw.githubusercontent.com/tomchristie/django-rest-framework/master/docs/img/premium/sentry-readme.png"/></a>
   <a href="https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf"><img src="https://raw.githubusercontent.com/tomchristie/django-rest-framework/master/docs/img/premium/stream-readme.png"/></a>
+  <a href="http://www.machinalis.com/#services"><img src="https://raw.githubusercontent.com/tomchristie/django-rest-framework/master/docs/img/premium/machinalis-readme.png"/></a>
 </p>
 
-*Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), and [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf).*
+*Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), and [Machinalis](http://www.machinalis.com/#services).*
 
 ---
 
diff --git a/docs/api-guide/throttling.md b/docs/api-guide/throttling.md
index 51d2beef1..da4d5f725 100644
--- a/docs/api-guide/throttling.md
+++ b/docs/api-guide/throttling.md
@@ -188,7 +188,7 @@ The following is an example of a rate throttle, that will randomly throttle 1 in
 
     class RandomRateThrottle(throttling.BaseThrottle):
         def allow_request(self, request, view):
-            return random.randint(1, 10) == 1
+            return random.randint(1, 10) != 1
 
 [cite]: https://dev.twitter.com/docs/error-codes-responses
 [permissions]: permissions.md
diff --git a/docs/img/premium/machinalis-readme.png b/docs/img/premium/machinalis-readme.png
new file mode 100644
index 000000000..4bdb020c2
Binary files /dev/null and b/docs/img/premium/machinalis-readme.png differ
diff --git a/docs/img/premium/rover-readme.png b/docs/img/premium/rover-readme.png
index aeef1de4f..c9865f2a9 100644
Binary files a/docs/img/premium/rover-readme.png and b/docs/img/premium/rover-readme.png differ
diff --git a/docs/img/premium/sentry-readme.png b/docs/img/premium/sentry-readme.png
index 0b8a80c49..1e869f3b1 100644
Binary files a/docs/img/premium/sentry-readme.png and b/docs/img/premium/sentry-readme.png differ
diff --git a/docs/img/premium/stream-readme.png b/docs/img/premium/stream-readme.png
index a04009d7f..955c11429 100644
Binary files a/docs/img/premium/stream-readme.png and b/docs/img/premium/stream-readme.png differ
diff --git a/docs/index.md b/docs/index.md
index 88276e678..3019467ed 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -74,10 +74,11 @@ The initial aim is to provide a single full-time position on REST framework.
     <li><a href="http://jobs.rover.com/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/rover_130x130.png)">Rover.com</a></li>
     <li><a href="https://getsentry.com/welcome/" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/sentry130.png)">Sentry</a></li>
     <li><a href="https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/stream-130.png)">Stream</a></li>
+    <li><a href="http://www.machinalis.com/#services" style="background-image: url(https://fund-rest-framework.s3.amazonaws.com/Machinalis130.png)">Machinalis</a></li>
 </ul>
 <div style="clear: both; padding-bottom: 20px;"></div>
 
-*Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), and [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf).*
+*Many thanks to all our [wonderful sponsors][sponsors], and in particular to our premium backers, [Rover](http://jobs.rover.com/), [Sentry](https://getsentry.com/welcome/), [Stream](https://getstream.io/?utm_source=drf&utm_medium=banner&utm_campaign=drf), and [Machinalis](http://www.machinalis.com/#services).*
 
 ---