diff --git a/changelog/upgrade-notes.md b/changelog/upgrade-notes.md
index 83656c80bc..f05ab8ae73 100644
--- a/changelog/upgrade-notes.md
+++ b/changelog/upgrade-notes.md
@@ -2,13 +2,13 @@
 
 ### v6.15.0
 
-#### Fixed coordinate dimesion handling in `ol/proj`'s `addCoordinateTransforms`
+#### Fixed coordinate dimension handling in `ol/proj`'s `addCoordinateTransforms`
 
 The `forward` and `inverse` functions passed to `addCooordinateTransforms` now receive a coordinate with all dimensions of the original coordinate, not just two. If you previosly had coordinates with more than two dimensions and added a transform like
 ```js
 addCoordinateTransforms(
     'EPSG:4326',
-    new Projection({code: 'latlong', units: 'degrees}),
+    new Projection({code: 'latlong', units: 'degrees'}),
     function(coordinate) { return coordinate.reverse(); },
     function(coordinate) { return coordinate.reverse(); }
 );
@@ -17,7 +17,7 @@ you have to change that to
 ```js
 addCoordinateTransforms(
     'EPSG:4326',
-    new Projection({code: 'latlong', units: 'degrees}),
+    new Projection({code: 'latlong', units: 'degrees'}),
     function(coordinate) { return coordinate.slice(0, 2).reverse() },
     function(coordinate) { return coordinate.slice(0, 2).reverse() }
 );