diff --git a/EIPS/eip-210.md b/EIPS/eip-210.md
index 2d3e7bf0..31182cc8 100644
--- a/EIPS/eip-210.md
+++ b/EIPS/eip-210.md
@@ -3,7 +3,7 @@ eip: 210
 title: Blockhash refactoring
 author: Vitalik Buterin (@vbuterin)
 type: Standards Track
-category: core
+category: Core
 status: Draft
 created: 2017-02-10
 ---