diff --git a/dhsi/day-four/collections.md b/dhsi/day-four/collections.md
index 178c8b24..bc86b806 100644
--- a/dhsi/day-four/collections.md
+++ b/dhsi/day-four/collections.md
@@ -6,7 +6,7 @@ An example can seen in the [IIIF cookbook recipe](https://iiif.io/api/cookbook/r
 
 ## Other collection examples
 
-1. [National Gallery of Art](https://research.ng-london.org.uk/iiif-projects/json/ng-projects.json)
+1. [National Gallery, London](https://research.ng-london.org.uk/iiif-projects/json/ng-projects.json)
 2. [FromThePage Jeremiah White Graves Diaries](https://fromthepage.com/iiif/collection/jeremiah-white-graves-diaries)
 3. [Staedel Museum](https://iiif.manducus.net/collections/0008/collection.json)
 4. [Zeppelin Museum Friedrichshafen](https://iiif.manducus.net/collections/0012/collection.json)
@@ -21,4 +21,4 @@ An example can seen in the [IIIF cookbook recipe](https://iiif.io/api/cookbook/r
 14. [Arabic documents](https://iiif.durham.ac.uk/manifests/trifle/collection/32150/t2c9k41zd486)
 15. [We are ISU- Snapshots of Student Life](https://cdm16001.contentdm.oclc.org/iiif/info/p16001coll48/manifest.json)
 16. [Air Scoop](https://digital.lib.utk.edu/assemble/collection/collections/ascoop)
-17. [Collection de Charles V (roi de France, 1338-1380)](https://portail.biblissima.fr/iiif/collection/ark:/43093/coldataa9d9a2d98084b67becd2c1a78c78e4d6143e35da)
\ No newline at end of file
+17. [Collection de Charles V (roi de France, 1338-1380)](https://portail.biblissima.fr/iiif/collection/ark:/43093/coldataa9d9a2d98084b67becd2c1a78c78e4d6143e35da)