diff --git a/13-looking-up-data.md b/13-looking-up-data.md
index d2ddc5de..66464afa 100644
--- a/13-looking-up-data.md
+++ b/13-looking-up-data.md
@@ -16,8 +16,8 @@ exercises: 10
 :::::::::::::::::::::::::::::::::::::::: questions
 
 - How do I fetch data from an Application Programming Interface (API) to be used in OpenRefine?
-- How do I reconcile my data by comparing it to authoritative datasets
-- How do I install extensions for OpenRefine
+- How do I reconcile my data by comparing it to authoritative datasets?
+- How do I install extensions for OpenRefine?
 
 ::::::::::::::::::::::::::::::::::::::::::::::::::
 
diff --git a/md5sum.txt b/md5sum.txt
index da7b9bfe..890bbef1 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -15,7 +15,7 @@
 "episodes/10-data-transformation.md" "47399b9f87a7c2dfae1d6b67eea71cc7" "site/built/10-data-transformation.md" "2023-05-26"
 "episodes/11-using-arrays-transformations.md" "0a72814d1256acbed6a6113a741317c6" "site/built/11-using-arrays-transformations.md" "2023-06-27"
 "episodes/12-export-transformation.md" "aa6dd576a893a0870baa24611573e50b" "site/built/12-export-transformation.md" "2023-05-01"
-"episodes/13-looking-up-data.md" "b0d55624c30b2bbf8fad445b5937067f" "site/built/13-looking-up-data.md" "2023-08-28"
+"episodes/13-looking-up-data.md" "4be5191800691af09ff34b5fdd4c05bd" "site/built/13-looking-up-data.md" "2023-11-22"
 "instructors/instructor-notes.md" "c2dfd88f1e85cccb9cbe872530c534ac" "site/built/instructor-notes.md" "2023-11-21"
 "learners/discuss.md" "60c724559d15d89fc50c5418d87f9628" "site/built/discuss.md" "2023-10-20"
 "learners/reference.md" "be4b8a891809c85a625fff879855921a" "site/built/reference.md" "2023-05-01"