diff --git a/mkdocs.yml b/mkdocs.yml
index eda7cd5..b791f94 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -2,7 +2,7 @@ site_name: TeraHz Documentation
 theme: readthedocs
 nav:
 - Start page: 'index.md'
-- Expert's guide:
+- Advanced guides:
   - Build guide: 'build.md'
   - Developer's guide: 'dev-guide.md'
   - Electrical connections: 'electrical.md'