diff --git a/book/exercises/007.md b/book/exercises/007.md
index d6c5d47..d505f62 100644
--- a/book/exercises/007.md
+++ b/book/exercises/007.md
@@ -34,6 +34,7 @@ Can you install and use a new Sphinx extension like `Sphinx-Indexed-Definitions`
    ````{definition} Term
    :label: term-definition
    A word or phrase used to describe a concept or object.
+   ````
    `````
 
    This will render a labelled, indexed definition that you can refer to from other parts of your book.