diff --git a/changelog/upgrade-notes.md b/changelog/upgrade-notes.md
index ebb5d7acef..0923934d7e 100644
--- a/changelog/upgrade-notes.md
+++ b/changelog/upgrade-notes.md
@@ -139,11 +139,11 @@
 with the `imgSize` option and not with `size`. `size` is supposed to be used for the
 size of a sub-rectangle in an image sprite.
 
-### Support for non-square tiles
+#### Support for non-square tiles
 
 The return value of `ol.tilegrid.TileGrid#getTileSize()` will now be an `ol.Size` array instead of a number if non-square tiles (i.e. an `ol.Size` array instead of a number as `tilsSize`) are used. To always get an `ol.Size`, the new `ol.size.toSize()` was added.
 
-### Change to `ol.interaction.Draw`
+#### Change to `ol.interaction.Draw`
 
 When finishing a draw, the `drawend` event is now dispatched before the feature is inserted to either the source or the collection. This change allows application code to finish setting up the feature.