diff --git a/public/openapi/read.yaml b/public/openapi/read.yaml
index 4ffac643f19e..e0e0db81810c 100644
--- a/public/openapi/read.yaml
+++ b/public/openapi/read.yaml
@@ -2805,6 +2805,8 @@ paths:
                     type: string
                   requireBaseUrl:
                     type: string
+                  l10nBaseUrl:
+                    type: string
                   siteTitle:
                     type: string
                   browserTitle: