diff --git a/learners/reference.md b/learners/reference.md
index 121e86e04..0b56a7301 100644
--- a/learners/reference.md
+++ b/learners/reference.md
@@ -201,7 +201,6 @@ add_numbers(1, 4)
 
 ## Glossary
 
-{:auto\_ids}
 Arguments
 :     Values passed to functions.