diff --git a/datasets/epa-ch4emission-yeargrid-v2express-mg.data b/datasets/epa-ch4emission-yeargrid-v2express-mg.data.mdx similarity index 100% rename from datasets/epa-ch4emission-yeargrid-v2express-mg.data rename to datasets/epa-ch4emission-yeargrid-v2express-mg.data.mdx