diff --git a/source/components/discovery.markdown b/source/components/discovery.markdown
index 64193b2eb88..aca8501c092 100644
--- a/source/components/discovery.markdown
+++ b/source/components/discovery.markdown
@@ -26,3 +26,7 @@ discovery:
 ```
 
 If you are developing a new platform, please read [how to make your platform discoverable]({{site_root}}/developers/add_new_platform.html#discovery).
+
+<p class='note warning'>
+There is currently a <a href='https://bitbucket.org/al45tair/netifaces/issues/17/dll-fails-to-load-windows-81-64bit'>known issue</a> with running this playform on a 64-bit version of Python.
+</p>