diff --git a/public/openapi/read/categories.yaml b/public/openapi/read/categories.yaml
index 37c0c09d31..76d2375ebb 100644
--- a/public/openapi/read/categories.yaml
+++ b/public/openapi/read/categories.yaml
@@ -142,6 +142,9 @@ get:
                                     type: number
                                   content:
                                     type: string
+                                  sourceContent:
+                                    type: string
+                                    nullable: true
                                   timestampISO:
                                     type: string
                                     description: An ISO 8601 formatted date string (complementing `timestamp`)
diff --git a/public/openapi/read/index.yaml b/public/openapi/read/index.yaml
index f6c09d7c21..4c45da4360 100644
--- a/public/openapi/read/index.yaml
+++ b/public/openapi/read/index.yaml
@@ -144,6 +144,9 @@ get:
                                     type: number
                                   content:
                                     type: string
+                                  sourceContent:
+                                    type: string
+                                    nullable: true
                                   timestampISO:
                                     type: string
                                     description: An ISO 8601 formatted date string (complementing `timestamp`)