MAINT: Changed reference to multiple files

Changed files are

- doc/HOWTO_RELEASE.rst
- doc/Makefile
- doc/changelog/1.15.0-changelog.rst
- doc/changelog/1.16.0-changelog.rst
- doc/changelog/1.17.0-changelog.rst
- doc/changelog/1.19.0-changelog.rst
- doc/changelog/1.21.0-changelog.rst
- doc/neps/nep-0045-c_style_guide.rst
- doc/source/dev/howto_build_docs.rst
- doc/source/dev/releasing.rst
- doc/source/reference/distutils_guide.rst
- doc/source/reference/testing.rst
- doc/source/release/1.7.0-notes.rst
- doc/source/release/1.8.0-notes.rst

6 files changed, 7 insertions, 7 deletions

diff --git a/doc/source/dev/howto_build_docs.rst b/doc/source/dev/howto_build_docs.rst
index b175926da..32a1f121d 100644
--- a/doc/source/dev/howto_build_docs.rst
+++ b/doc/source/dev/howto_build_docs.rst
@@ -134,4 +134,4 @@ pdf format is also built with ``make dist``.  See `HOWTO RELEASE`_ for details
 on how to update https://numpy.org/doc.
 
 .. _LaTeX: https://www.latex-project.org/
-.. _HOWTO RELEASE: https://github.com/numpy/numpy/blob/main/doc/HOWTO_RELEASE.rst.txt
+.. _HOWTO RELEASE: https://github.com/numpy/numpy/blob/main/doc/HOWTO_RELEASE.rst
diff --git a/doc/source/dev/releasing.rst b/doc/source/dev/releasing.rst
index 75081aec1..1af26f455 100644
--- a/doc/source/dev/releasing.rst
+++ b/doc/source/dev/releasing.rst
@@ -6,11 +6,11 @@ Releasing a version
 How to Prepare a Release
 ------------------------
 
-.. include:: ../../HOWTO_RELEASE.rst.txt
+.. include:: ../../HOWTO_RELEASE.rst
 
 -----------------------
 Step-by-Step Directions
 -----------------------
 
-.. include:: ../../RELEASE_WALKTHROUGH.rst.txt
+.. include:: ../../RELEASE_WALKTHROUGH.rst
 
diff --git a/doc/source/reference/distutils_guide.rst b/doc/source/reference/distutils_guide.rst
index 5bb4c2878..a72a9c4d6 100644
--- a/doc/source/reference/distutils_guide.rst
+++ b/doc/source/reference/distutils_guide.rst
@@ -9,5 +9,5 @@ NumPy Distutils - Users Guide
    Python >= 3.12. For more details, see :ref:`distutils-status-migration`
 
 
-.. include:: ../../DISTUTILS.rst.txt
+.. include:: ../../DISTUTILS.rst
    :start-line: 6
diff --git a/doc/source/reference/testing.rst b/doc/source/reference/testing.rst
index 72780dd44..47996c240 100644
--- a/doc/source/reference/testing.rst
+++ b/doc/source/reference/testing.rst
@@ -3,5 +3,5 @@
 Testing Guidelines
 ==================
 
-.. include:: ../../TESTS.rst.txt
+.. include:: ../../TESTS.rst
    :start-line: 6
diff --git a/doc/source/release/1.7.0-notes.rst b/doc/source/release/1.7.0-notes.rst
index 40a6f550b..a04255f3c 100644
--- a/doc/source/release/1.7.0-notes.rst
+++ b/doc/source/release/1.7.0-notes.rst
@@ -167,7 +167,7 @@ for checking array writeability -- any C code which works with arrays whose
 WRITEABLE flag is not known to be True a priori, should make sure to call
 this function before writing.
 
-NumPy C Style Guide added (``doc/C_STYLE_GUIDE.rst.txt``).
+NumPy C Style Guide added (``doc/C_STYLE_GUIDE.rst``).
 
 Changes
 =======
diff --git a/doc/source/release/1.8.0-notes.rst b/doc/source/release/1.8.0-notes.rst
index 65a471b92..e7be2d14a 100644
--- a/doc/source/release/1.8.0-notes.rst
+++ b/doc/source/release/1.8.0-notes.rst
@@ -52,7 +52,7 @@ Compatibility notes
 
 The doc/sphinxext content has been moved into its own github repository,
 and is included in numpy as a submodule. See the instructions in
-doc/HOWTO_BUILD_DOCS.rst.txt for how to access the content.
+doc/HOWTO_BUILD_DOCS.rst for how to access the content.
 
 .. _numpydoc: https://github.com/numpy/numpydoc