diff --git a/doc/update/5.0-to-5.1.md b/doc/update/5.0-to-5.1.md
index 708d33e..25fe2f5 100644
--- a/doc/update/5.0-to-5.1.md
+++ b/doc/update/5.0-to-5.1.md
@@ -1,3 +1,5 @@
+# From 5.0 to 5.1
+
 ## Release notes:
 
 * `unicorn` replaced with `puma`
--
libgit2 0.21.2