diff --git a/doc/api/index.rst b/doc/api/index.rst
index 45603a4..f95c639 100644
--- a/doc/api/index.rst
+++ b/doc/api/index.rst
@@ -74,11 +74,11 @@ findings on our `support page`_ so we can make Pybricks even better.
 
 .. toctree::
    :maxdepth: 1
-   :caption: Additional Modules
+   :caption: MicroPython Modules
    :hidden:
 
-   micropython
    ubuiltins
+   micropython
    uerrno
    uio
    umath
diff --git a/doc/api/ubuiltins.rst b/doc/api/ubuiltins.rst
index 904e63f..521a3f6 100644
--- a/doc/api/ubuiltins.rst
+++ b/doc/api/ubuiltins.rst
@@ -1,4 +1,4 @@
-:mod:`ubuiltins` -- Built-in functions and exceptions
+Built-in functions and exceptions
 =====================================================
 
 .. automodule:: ubuiltins
diff --git a/doc/api/urandom.rst b/doc/api/urandom.rst
index 4d8909c..fe40ce9 100644
--- a/doc/api/urandom.rst
+++ b/doc/api/urandom.rst
@@ -1,4 +1,4 @@
-:mod:`urandom` -- Generate pseudo-random numbers
+:mod:`urandom` -- Pseudo-random numbers
 ================================================
 
 .. automodule:: urandom
diff --git a/src/ubuiltins/__init__.py b/src/ubuiltins/__init__.py
index ee9650b..237aa52 100644
--- a/src/ubuiltins/__init__.py
+++ b/src/ubuiltins/__init__.py
@@ -14,10 +14,7 @@
 # Copyright (c) 2001-2021 Python Software Foundation
 
 """
-All builtin functions and exceptions are described here. They are also
-available via ``ubuiltins`` module.
-
-.. tip:: Since these are built-in, you can (and should!) use them without importing.
+The following functions and exceptions can be used without importing anything.
 """
 
 from typing import (