Fix yaml block for properties notes.

Clément · Clément · commit 64034dcba316 · 2026-01-20T21:15:17.000-05:00
diff --git a/source/lectures/oop/properties.md b/source/lectures/oop/properties.md
@@ -1,4 +1,4 @@
-    ---
+---
 tags:
 - oop
 ---
