diff --git a/pyproject.toml b/pyproject.toml
index 9f291c7..699bfb4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ readme = "README.md"
 requires-python = ">=3.9"
 classifiers = [
     "Programming Language :: Python :: 3",
-    "License ::  OSI Approved :: BSD License",
+    "License :: OSI Approved :: BSD License",
     "Development Status :: 3 - Alpha",
 ]
 dependencies = [