diff --git a/Doc/c-api/buffer.rst b/Doc/c-api/buffer.rst
index 3f13e74..4824358 100644
--- a/Doc/c-api/buffer.rst
+++ b/Doc/c-api/buffer.rst
@@ -31,7 +31,7 @@
 returning data from the target object.
 
 Starting from version 1.6, Python has been providing Python-level buffer
-objects and a C-level buffer API so that any builtin or used-defined type can
+objects and a C-level buffer API so that any built-in or used-defined type can
 expose its characteristics. Both, however, have been deprecated because of
 various shortcomings, and have been officially removed in Python 3.0 in favour
 of a new C-level buffer API and a new Python-level object named
diff --git a/Doc/c-api/import.rst b/Doc/c-api/import.rst
index 581d396..2025ba1 100644
--- a/Doc/c-api/import.rst
+++ b/Doc/c-api/import.rst
@@ -167,7 +167,7 @@
    *path*, possibly by fetching it from the :data:`sys.path_importer_cache`
    dict.  If it wasn't yet cached, traverse :data:`sys.path_hooks` until a hook
    is found that can handle the path item.  Return ``None`` if no hook could;
-   this tells our caller it should fall back to the builtin import mechanism.
+   this tells our caller it should fall back to the built-in import mechanism.
    Cache the result in :data:`sys.path_importer_cache`.  Return a new reference
    to the importer object.
 
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.