diff --git a/md5sum.txt b/md5sum.txt
index 8b3e2f996..a92e59a7c 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -19,6 +19,6 @@
 "instructors/extra_exercises.md" "3cf917b8a4324afbfc26db087018a3be" "site/built/extra_exercises.md" "2023-04-21"
 "instructors/instructor-notes.md" "a492a732a51a4f3601b440636aa569f5" "site/built/instructor-notes.md" "2023-04-21"
 "learners/discuss.md" "0472061d33c7331f16f8e8aeb1ba72cd" "site/built/discuss.md" "2023-04-21"
-"learners/reference.md" "51f620bc89bfec7583ee64932ad84729" "site/built/reference.md" "2024-01-03"
+"learners/reference.md" "1215ba7b4e245de11527725d4164d175" "site/built/reference.md" "2024-12-03"
 "learners/setup.md" "1c1270e5a9934be95250683be8b2bfbc" "site/built/setup.md" "2023-09-06"
 "profiles/learner-profiles.md" "60b93493cf1da06dfd63255d73854461" "site/built/learner-profiles.md" "2023-04-21"
diff --git a/reference.md b/reference.md
index 062f59c7b..c7c37fe4a 100644
--- a/reference.md
+++ b/reference.md
@@ -57,6 +57,10 @@ depending on whether a test is true or false.
 :   (CSV) A common textual representation for tables
 in which the values in each row are separated by commas.
 
+[debug](#debug)
+:   The action of finding and resolving errors (also known as 'bugs') 
+within computer programs or systems.
+
 [default value]{#default-value}
 :   A value to use for a [parameter](#parameter) if nothing is specified explicitly.