diff --git a/aio/content/guide/glossary.md b/aio/content/guide/glossary.md
index e2ad149975..27d8d8049f 100644
--- a/aio/content/guide/glossary.md
+++ b/aio/content/guide/glossary.md
@@ -867,7 +867,7 @@ To learn more, see [Introduction to Services and Dependency Injection](guide/arc
 
 ## structural directives
 
-A category of [directive](#directive) that is responsible for shaping HTML layout by modifying the DOM&mdashthat is, adding, removing, or manipulating elements and their children.
+A category of [directive](#directive) that is responsible for shaping HTML layout by modifying the DOM—that is, adding, removing, or manipulating elements and their children.
 
 To learn more, see [Structural Directives](guide/structural-directives).