diff --git a/pyproject.toml b/pyproject.toml
index 32ee8e0..1914c11 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers=[
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: Implementation",
   "Topic :: Internet :: WWW/HTTP",
-  "Topic :: Software Development :: Testing,",
+  "Topic :: Software Development :: Testing",
   "Topic :: Software Development :: Testing :: Unit",
   "Topic :: Software Development :: Testing :: Mocking",
   "Topic :: Software Development :: Quality Assurance",