diff --git a/index.md b/index.md
index 3b6552a..f4b495f 100644
--- a/index.md
+++ b/index.md
@@ -13,7 +13,7 @@ humandate: "Nov 20, 2024"    # human-readable dates for the workshop (e.g., "Feb
 humantime: "09:00 - 16:00 CEST"    # human-readable times for the workshop e.g., "9:00 am - 4:30 pm CEST (7:00 am - 2:30 pm UTC)"
 startdate: 2023-11-20      # machine-readable start date for the workshop in YYYY-MM-DD format like 2015-01-01
 enddate: 2023-11-20        # machine-readable end date for the workshop in YYYY-MM-DD format like 2015-01-02
-instructor: ["Mohamed Abdelhalim"] # boxed, comma-separated list of instructors' names as strings, like ["Kay McNulty", "Betty Jennings", "Betty Snyder"]
+instructor: ["Mohamed Abdelhalim","Matthew Good"] # boxed, comma-separated list of instructors' names as strings, like ["Kay McNulty", "Betty Jennings", "Betty Snyder"]
 helper: ["Gisela Attinger", "Andrea Dale Wefring"]     # boxed, comma-separated list of helpers' names, like ["Marlyn Wescoff", "Fran Bilas", "Ruth Lichterman"]
 email: ["mohamed.abdelhalim@medisin.uio.no"]    # boxed, comma-separated list of contact email addresses for the host, lead instructor, or whoever else is handling questions, like ["marlyn.wescoff@example.org", "fran.bilas@example.org", "ruth.lichterman@example.org"]
 collaborative_notes: https://pad.carpentries.org/2024-11-20-uio  # optional: URL for the workshop collaborative notes, e.g. an Etherpad or Google Docs document (e.g., https://pad.carpentries.org/2015-01-01-euphoria)