diff --git a/docs/ko/mkdocs.yml b/docs/ko/mkdocs.yml
index 1b6443c6a..8716f56ff 100644
--- a/docs/ko/mkdocs.yml
+++ b/docs/ko/mkdocs.yml
@@ -69,7 +69,7 @@ nav:
   - tutorial/request-files.md
   - tutorial/request-forms-and-files.md
   - tutorial/encoder.md
-  - Security:
+  - 보안:
     - tutorial/security/index.md
 markdown_extensions:
 - toc: