Added headers

Corpus/Obsidian Front Matter Syntax.md

@@ -25,13 +25,15 @@ created: 2026-04-21
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 ```
 
-This includes:
+
+Obsidian calls these metadata variables 'Properties'. These include:
 
 - Key–value pairs
 - Lists (arrays)
 - Booleans, numbers, strings, dates
 - Nested objects
 
+
 ### Obsidian-specific limitations & quirks
 
 Although it’s YAML, Obsidian does **not support the full YAML spec equally everywhere**: