Fixed #568 -- Document that users should use urandom for all their random numbers
diff --git a/docs/index.rst b/docs/index.rst
index 49e99be..9114b89 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -59,6 +59,7 @@
     :maxdepth: 2
 
     fernet
+    random-numbers
     exceptions
     glossary