diff --git a/pyproject.toml b/pyproject.toml
index 6b4b0f4..87a587e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ classifiers = [
      'Operating System :: OS Independent',
      'Programming Language :: Python :: 3.10',
      'Topic :: Software Development :: Libraries :: Python Modules',
-     'Topic :: Scientific/Engineering :: Medical Science Apps',
+     'Topic :: Scientific/Engineering :: Medical Science Apps.',
      'Topic :: Scientific/Engineering :: Chemistry',
      'Topic :: Scientific/Engineering :: Bio-Informatics',
      'Typing :: Typed'