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-rw-r--r--public/docs/yaml-metadata.md17
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diff --git a/public/docs/yaml-metadata.md b/public/docs/yaml-metadata.md
index 8e59c8f2..f09591bc 100644
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@@ -159,3 +159,20 @@ slideOptions:
transition: fade
theme: white
```
+
+opengraph
+---
+This option allows you to override the default generated opengraph metadata.
+See the [OpenGraph protocol documentation](https://ogp.me) for more information.
+
+**Notice: always use two spaces as indention in YAML metadata!**
+
+> default: not set (uses auto-generated metadata)
+
+**Example**
+```yml
+opengraph:
+ title: Special title for OpenGraph protocol
+ image: https://dummyimage.com/600x600/000/fff
+ image:type: image/png
+```