diff --git a/copying.txt b/copying.md
similarity index 99%
rename from copying.txt
rename to copying.md
index ab6ff427edf..7b5e914c6a4 100644
--- a/copying.txt
+++ b/copying.md
@@ -12,7 +12,7 @@ https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 
 Version 2, June 1991
 
-    Copyright (C) 1989, 1991 Free Software Foundation, Inc.  
+    Copyright (C) 1989, 1991 Free Software Foundation, Inc.
     <https://fsf.org/>
 
     Everyone is permitted to copy and distribute verbatim copies
@@ -106,17 +106,17 @@ portion of it, thus forming a work based on the Program, and copy and
 distribute such modifications or work under the terms of Section 1
 above, provided that you also meet all of these conditions:
 
-  
+
 **a)** You must cause the modified files to carry prominent notices
 stating that you changed the files and the date of any change.
 
-  
+
 **b)** You must cause any work that you distribute or publish, that in
 whole or in part contains or is derived from the Program or any part
 thereof, to be licensed as a whole at no charge to all third parties
 under the terms of this License.
 
-  
+
 **c)** If the modified program normally reads commands interactively
 when run, you must cause it, when started running for such interactive
 use in the most ordinary way, to print or display an announcement
@@ -153,12 +153,12 @@ the scope of this License.
 under Section 2) in object code or executable form under the terms of
 Sections 1 and 2 above provided that you also do one of the following:
 
-  
+
 **a)** Accompany it with the complete corresponding machine-readable
 source code, which must be distributed under the terms of Sections 1
 and 2 above on a medium customarily used for software interchange; or,
 
-  
+
 **b)** Accompany it with a written offer, valid for at least three
 years, to give any third party, for a charge no more than your cost of
 physically performing source distribution, a complete machine-readable
@@ -166,7 +166,7 @@ copy of the corresponding source code, to be distributed under the
 terms of Sections 1 and 2 above on a medium customarily used for
 software interchange; or,
 
-  
+
 **c)** Accompany it with the information you received as to the offer
 to distribute corresponding source code. (This alternative is allowed
 only for noncommercial distribution and only if you received the
@@ -334,7 +334,7 @@ e) modify or distribute the source code of any Distributable Code so that any pa
 
 ## Third-Party Dependencies
 
-NVDA includes various third-party dependencies, each with its own license terms. 
+NVDA includes various third-party dependencies, each with its own license terms.
 Python pip modules with acceptable licences are automatically limited by our build system to include only BSD, MIT, Python, LGPLV3+ and Apache.
 
 In addition to these dependencies, the following are also included in NVDA:
@@ -342,8 +342,8 @@ In addition to these dependencies, the following are also included in NVDA:
 - eSpeak: GPL-3
 - LibLouis: LGPL-3
 - BrlAPI: LGPL-3
-- IAccessible 2: Simplified BSD 
-- Microsoft Detours: MIT 
+- IAccessible 2: Simplified BSD
+- Microsoft Detours: MIT
 - Python: PSF
 - NSIS: zlib/libpng
 
diff --git a/pyproject.toml b/pyproject.toml
index 443c1c78b93..f6cfe027934 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ classifiers = [
     "Topic :: Accessibility",
 ]
 readme = "readme.md"
-license = {file = "copying.txt"}
+license = {file = "copying.md"}
 
 [project.urls]
 Homepage = "https://www.nvaccess.org/"