builtin -> built-in.
diff --git a/Doc/c-api/unicode.rst b/Doc/c-api/unicode.rst
index b603734..1249ed7 100644
--- a/Doc/c-api/unicode.rst
+++ b/Doc/c-api/unicode.rst
@@ -292,12 +292,12 @@
Built-in Codecs
^^^^^^^^^^^^^^^
-Python provides a set of builtin codecs which are written in C for speed. All of
+Python provides a set of built-in codecs which are written in C for speed. All of
these codecs are directly usable via the following functions.
Many of the following APIs take two arguments encoding and errors. These
parameters encoding and errors have the same semantics as the ones of the
-builtin unicode() Unicode object constructor.
+built-in :func:`unicode` Unicode object constructor.
Setting encoding to *NULL* causes the default encoding to be used which is
ASCII. The file system calls should use :cdata:`Py_FileSystemDefaultEncoding`
@@ -307,7 +307,7 @@
Error handling is set by errors which may also be set to *NULL* meaning to use
the default handling defined for the codec. Default error handling for all
-builtin codecs is "strict" (:exc:`ValueError` is raised).
+built-in codecs is "strict" (:exc:`ValueError` is raised).
The codecs all use a similar interface. Only deviation from the following
generic ones are documented for simplicity.
@@ -321,7 +321,7 @@
Create a Unicode object by decoding *size* bytes of the encoded string *s*.
*encoding* and *errors* have the same meaning as the parameters of the same name
- in the :func:`unicode` builtin function. The codec to be used is looked up
+ in the :func:`unicode` built-in function. The codec to be used is looked up
using the Python codec registry. Return *NULL* if an exception was raised by
the codec.