fix instances of consecutive articles (closes #23221)

Patch by Karan Goel.
diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index 91964d0..6f8f243 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -70,7 +70,7 @@
       Do not compare the return value to a specific exception; use
       :c:func:`PyErr_ExceptionMatches` instead, shown below.  (The comparison could
       easily fail since the exception may be an instance instead of a class, in the
-      case of a class exception, or it may the a subclass of the expected exception.)
+      case of a class exception, or it may be a subclass of the expected exception.)
 
 
 .. c:function:: int PyErr_ExceptionMatches(PyObject *exc)
diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index 46fc93f..0c1c714 100644
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -1136,7 +1136,7 @@
 
 .. c:function:: PyThreadState * PyInterpreterState_ThreadHead(PyInterpreterState *interp)
 
-   Return the a pointer to the first :c:type:`PyThreadState` object in the list of
+   Return the pointer to the first :c:type:`PyThreadState` object in the list of
    threads associated with the interpreter *interp*.
 
    .. versionadded:: 2.2
diff --git a/Doc/c-api/structures.rst b/Doc/c-api/structures.rst
index e31687f..c193510 100644
--- a/Doc/c-api/structures.rst
+++ b/Doc/c-api/structures.rst
@@ -122,7 +122,7 @@
 types, but they always return :c:type:`PyObject\*`.  If the function is not of
 the :c:type:`PyCFunction`, the compiler will require a cast in the method table.
 Even though :c:type:`PyCFunction` defines the first parameter as
-:c:type:`PyObject\*`, it is common that the method implementation uses a the
+:c:type:`PyObject\*`, it is common that the method implementation uses the
 specific C type of the *self* object.
 
 The :attr:`ml_flags` field is a bitfield which can include the following flags.