diff --git a/Doc/c-api/intro.rst b/Doc/c-api/intro.rst
index 4216881bff9..c3a9ed633bd 100644
--- a/Doc/c-api/intro.rst
+++ b/Doc/c-api/intro.rst
@@ -424,7 +424,7 @@ and lose important information about the exact cause of the error.
 .. index:: single: sum_sequence()
 
 A simple example of detecting exceptions and passing them on is shown in the
-:c:func:`sum_sequence` example above.  It so happens that that example doesn't
+:c:func:`sum_sequence` example above.  It so happens that this example doesn't
 need to clean up any owned references when it detects an error.  The following
 example function shows some error cleanup.  First, to remind you why you like
 Python, we show the equivalent Python code::
diff --git a/Doc/library/xml.dom.rst b/Doc/library/xml.dom.rst
index 10696156f5a..565dc84907d 100644
--- a/Doc/library/xml.dom.rst
+++ b/Doc/library/xml.dom.rst
@@ -374,7 +374,7 @@ All of the components of an XML document are subclasses of :class:`Node`.
 
    Add a new child node to this node at the end of the list of
    children, returning *newChild*. If the node was already in
-   in the tree, it is removed first.
+   the tree, it is removed first.
 
 
 .. method:: Node.insertBefore(newChild, refChild)
diff --git a/Mac/README b/Mac/README
index 6c0eb6f3107..555b7ca7030 100644
--- a/Mac/README
+++ b/Mac/README
@@ -33,7 +33,7 @@ Mac-specific arguments to configure
 
 * ``--enable-universalsdk[=PATH]``
 
-  Create a universal binary build of of Python. This can be used with both
+  Create a universal binary build of Python. This can be used with both
   regular and framework builds.
 
   The optional argument specifies which OSX SDK should be used to perform the
diff --git a/Tools/msi/msilib.py b/Tools/msi/msilib.py
index 6f49b4cf8c3..e02a3e2316f 100644
--- a/Tools/msi/msilib.py
+++ b/Tools/msi/msilib.py
@@ -516,7 +516,7 @@ class Directory:
 
     def add_file(self, file, src=None, version=None, language=None):
         """Add a file to the current component of the directory, starting a new one
-        one if there is no current component. By default, the file name in the source
+        if there is no current component. By default, the file name in the source
         and the file table will be identical. If the src file is specified, it is
         interpreted relative to the current directory. Optionally, a version and a
         language can be specified for the entry in the File table."""
diff --git a/Tools/pybench/README b/Tools/pybench/README
index 022c8dea9ca..2061cabc22b 100644
--- a/Tools/pybench/README
+++ b/Tools/pybench/README
@@ -3,7 +3,7 @@ ________________________________________________________________________
 PYBENCH - A Python Benchmark Suite
 ________________________________________________________________________
 
-     Extendable suite of of low-level benchmarks for measuring
+     Extendable suite of low-level benchmarks for measuring
           the performance of the Python implementation 
                  (interpreter, compiler or VM).