diff --git a/docs/networking.rst b/docs/networking.rst
index e11b0531..7d14c1cb 100644
--- a/docs/networking.rst
+++ b/docs/networking.rst
@@ -3,6 +3,7 @@ Asynchronous networking
 
 .. toctree::
 
+   gen
    ioloop
    iostream
    httpclient
diff --git a/docs/utilities.rst b/docs/utilities.rst
index 70e8a6b7..a1eefe72 100644
--- a/docs/utilities.rst
+++ b/docs/utilities.rst
@@ -5,7 +5,6 @@ Utilities
 
    autoreload
    concurrent
-   gen
    httputil
    log
    options