diff --git a/docs/api/version-history.md b/docs/api/version-history.md
index 73f17815fc..81f2dcabab 100644
--- a/docs/api/version-history.md
+++ b/docs/api/version-history.md
@@ -28,6 +28,9 @@ keywords: "API, Docker, rcli, REST, documentation"
   `private` to create the container in its own private cgroup namespace.  The per-daemon
   default is `host`, and can be changed by using the`CgroupNamespaceMode` daemon configuration
   parameter.
+* `GET /info` now  returns an `OSVersion` field, containing the operating system's
+  version. This change is not versioned, and affects all API versions if the daemon
+  has this patch.
 
 ## v1.40 API changes