diff --git a/docs/source/plugin-development/registering-plugins.rst b/docs/source/plugin-development/registering-plugins.rst
index 5d01f99..76ed8af 100644
--- a/docs/source/plugin-development/registering-plugins.rst
+++ b/docs/source/plugin-development/registering-plugins.rst
@@ -52,6 +52,7 @@ like:
             ],
         },
         classifiers=[
+            "Framework :: Flake8",
             "Environment :: Console",
             "Intended Audience :: Developers",
             "License :: OSI Approved :: MIT License",