diff --git a/content/blog/interfaces.md b/content/blog/interfaces.md
index 951e8d9..c6bcad8 100644
--- a/content/blog/interfaces.md
+++ b/content/blog/interfaces.md
@@ -2,6 +2,7 @@
 title = "Interfaces > Classes - A refactor story."
 date = "2023-11-18"
 tags = ["software"]
+toc = true
 +++
 
 # Introduction