diff --git a/Concepts.markdown b/Concepts.markdown
index 18dbbbb..4197d18 100644
--- a/Concepts.markdown
+++ b/Concepts.markdown
@@ -1,4 +1,4 @@
-# h1 Repeaters
+# H1 Repeaters
 The idea of repeaters has been kicking around for a while but we've never really gone into the details. Repeaters were proposed to address
 a few use cases: