diff --git a/docs/custom-image.md b/docs/custom-image.md
index ee43b001..4103ac8c 100644
--- a/docs/custom-image.md
+++ b/docs/custom-image.md
@@ -12,7 +12,7 @@ Using your preferred editor, create a file in the root level of the project and
 
 This file is used to configure the BitOps image.
 
-[Example bitops.config.yaml](https://github.com/bitovi/bitops/tree/plugins/prebuilt-config)
+[Example bitops.config.yaml](https://github.com/bitovi/bitops/blob/main/prebuilt-config/example-plugin/bitops.config.yaml)
 
 <hr/>
 
diff --git a/docs/development/development.md b/docs/development/development.md
index e7dee8bb..0dc66975 100644
--- a/docs/development/development.md
+++ b/docs/development/development.md
@@ -99,7 +99,7 @@ System Packages natively available in a running BitOps container:
 * wget
 
 > For the most up-to-date list, see
-> [Dockerfile](https://github.com/bitovi/bitops/blob/master/Dockerfile)
+> [Dockerfile](https://github.com/bitovi/bitops/blob/main/Dockerfile)
 
 Python packages natively available in BitOps:
 
diff --git a/mkdocs.yml b/mkdocs.yml
index 5aeffeb5..b012699f 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -36,20 +36,21 @@ nav:
       - Cloudformation: tool-configuration/configuration-cloudformation.md
     - Default Environment: default-environment.md
   - Examples: examples.md
+  - Upgrade:
+    - 2.0.0: migration/2.0.0-migration.md
   - Development:
     - Local development: development-local.md
     - Custom Images: custom-image.md
   - Plugins: plugins.md
   - Lifecycle: lifecycle.md
-  - Contributing:
-    - Contributing Guide: contributing.md
-    - Development Guide: development/development.md
-    - DCO: development/DCO.md
-    - Open Issues: https://github.com/bitovi/bitops/issues" target="_blank
+  - About: 
+    - About: about.md
+    - Contributing:
+      - Contributing Guide: contributing.md
+      - Development Guide: development/development.md
+      - DCO: development/DCO.md
+      - Open Issues: https://github.com/bitovi/bitops/issues" target="_blank
     - License: license.md
-  - Migrations:
-    - 2.0.0: migration/2.0.0-migration.md
-  - About: about.md
 
 extra:
   social: