diff --git a/docs/content.schema.json b/docs/content.schema.json
index 8982d3326..d465e6de9 100644
--- a/docs/content.schema.json
+++ b/docs/content.schema.json
@@ -49,6 +49,10 @@
             "description": "Deprecated: the Hypermedia (HAST) AST",
             "meta:status": "deprecated"
         },
+        "json": {
+            "type": "object",
+            "description": "The JSON object to emit."
+        },
         "xml": {
             "type": "object",
             "description": "The XML object to emit. See xmlbuilder-js for syntax."
diff --git a/docs/content.schema.md b/docs/content.schema.md
index c1019c1d6..1c48f08a1 100644
--- a/docs/content.schema.md
+++ b/docs/content.schema.md
@@ -26,6 +26,7 @@ The content as retrieved from the repository and enriched in the pipeline.
 | [htast](#htast) | `object` | Optional  | No | Content (this schema) |
 | [image](#image) | `string` | Optional  | No | Content (this schema) |
 | [intro](#intro) | `string` | Optional  | No | Content (this schema) |
+| [json](#json) | `object` | Optional  | No | Content (this schema) |
 | [mdast](#mdast) | MDAST | Optional  | No | Content (this schema) |
 | [meta](#meta) | `object` | Optional  | No | Content (this schema) |
 | [sections](#sections) | Section | Optional  | No | Content (this schema) |
@@ -145,6 +146,30 @@ Extracted first paragraph of the document
 
 
 
+## json
+
+The JSON object to emit.
+
+`json`
+
+* is optional
+* type: `object`
+* defined in this schema
+
+### json Type
+
+
+`object` with following properties:
+
+
+| Property | Type | Required |
+|----------|------|----------|
+
+
+
+
+
+
 ## mdast