diff --git a/slides/intro-fullday.yml b/slides/intro-fullday.yml
index a0e31be0..e5d32e8a 100644
--- a/slides/intro-fullday.yml
+++ b/slides/intro-fullday.yml
@@ -20,45 +20,54 @@ chapters:
 - containers/intro.md
 - shared/about-slides.md
 - shared/toc.md
-- - containers/Docker_Overview.md
+-
+  - containers/Docker_Overview.md
   #- containers/Docker_History.md
   - containers/Training_Environment.md
   - containers/Installing_Docker.md
   - containers/First_Containers.md
   - containers/Background_Containers.md
   - containers/Start_And_Attach.md
-- - containers/Initial_Images.md
+-
+  - containers/Initial_Images.md
   - containers/Building_Images_Interactively.md
   - containers/Building_Images_With_Dockerfiles.md
   - containers/Cmd_And_Entrypoint.md
-- - containers/Copying_Files_During_Build.md
+-
+  - containers/Copying_Files_During_Build.md
   - containers/Exercise_Dockerfile_Basic.md
   - containers/Multi_Stage_Builds.md
   - containers/Publishing_To_Docker_Hub.md
   - containers/Dockerfile_Tips.md
   - containers/Exercise_Dockerfile_Advanced.md
-- - containers/Naming_And_Inspecting.md
+-
+  - containers/Naming_And_Inspecting.md
   - containers/Labels.md
   - containers/Getting_Inside.md
   - containers/Resource_Limits.md
-- - containers/Container_Networking_Basics.md
+-
+  - containers/Container_Networking_Basics.md
   - containers/Network_Drivers.md
   - containers/Container_Network_Model.md
   #- containers/Connecting_Containers_With_Links.md
   - containers/Ambassadors.md
-- - containers/Local_Development_Workflow.md
+-
+  - containers/Local_Development_Workflow.md
   - containers/Windows_Containers.md
   - containers/Working_With_Volumes.md
   - containers/Compose_For_Dev_Stacks.md
   - containers/Exercise_Composefile.md
-- - containers/Docker_Machine.md
+-
+  - containers/Docker_Machine.md
   - containers/Advanced_Dockerfiles.md
   - containers/Application_Configuration.md
   - containers/Logging.md
-- - containers/Namespaces_Cgroups.md
+-
+  - containers/Namespaces_Cgroups.md
   - containers/Copy_On_Write.md
   #- containers/Containers_From_Scratch.md
-- - containers/Container_Engines.md
+-
+  - containers/Container_Engines.md
   #- containers/Ecosystem.md
   - containers/Orchestration_Overview.md
   - shared/thankyou.md