diff --git a/setup.cfg b/setup.cfg
index 91a9f68..cb23b59 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
-description-file = README.md
+description_file = README.md
 license_file = LICENSE.txt
 
 [bdist_wheel]
-python-tag = py37
\ No newline at end of file
+python_tag = py37
\ No newline at end of file