docs: typo
diff --git a/docs/index.rst b/docs/index.rst
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -81,7 +81,7 @@ For more information see documents below
from-mq
evolve-collaboration
-Smart changeset deletion: Obselete Marker
+Smart changeset deletion: Obsolete Marker
==========================================
Obsolete marker is a powerful concept that allow mercurial to safely handle