diff --git a/CloudComputing_Lab/modules/ROOT/nav.adoc b/CloudComputing_Lab/modules/ROOT/nav.adoc
index ec713ee..85f35a9 100644
--- a/CloudComputing_Lab/modules/ROOT/nav.adoc
+++ b/CloudComputing_Lab/modules/ROOT/nav.adoc
@@ -5,5 +5,5 @@
 * xref:d.adoc[Storage I]
 * xref:e.adoc[Storage II]
 * xref:f.adoc[Docker Swarm]
-* xref:docker-build.adoc[EXERCISE-dockerbuild]
+* xref:docker-build.adoc[Digital-skills:dockerbuild]
 * xref:tech-list.adoc[Getting_started]