diff --git a/pyproject.toml b/pyproject.toml
index e0b0eedba..f579e7174 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,8 +16,8 @@ license = { file = "COPYING" }
 readme = "README.md"
 classifiers = [
   "Programming Language :: Python :: 3",
-  "License :: OSI Approved :: GPL 2 or later",
-  "Operating System :: Linux",
+  "License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)",
+  "Operating System :: POSIX :: Linux",
 ]
 requires-python = ">=3.7"