diff --git a/website/docs/backends/types/http.html.md b/website/docs/backends/types/http.html.md
index 49432117b..011b663da 100644
--- a/website/docs/backends/types/http.html.md
+++ b/website/docs/backends/types/http.html.md
@@ -8,12 +8,17 @@ description: |-
 
 # http
 
-**Kind: Standard (with no locking)**
+**Kind: Standard (with optional locking)**
 
 Stores the state using a simple [REST](https://en.wikipedia.org/wiki/Representational_state_transfer) client.
 
 State will be fetched via GET, updated via POST, and purged with DELETE.
 
+If locking is enabled a lock POST request will be made by appending `/lock` to the configured address with the lock info in the
+body as json. The endpiont should return a 409 Conflict with the holding lock info when it's already taken, 200 OK for success.
+Any other status will be considered an error. Unlocking works simillarly, appending `/unlock` and adding the `ID` of the lock
+being freed as a query parameter. An `ID` query parameter will also be added when sending state updates.
+
 ## Example Usage
 
 ```hcl
@@ -44,3 +49,5 @@ The following configuration options are supported:
  * `password` - (Optional) The password for HTTP basic authentication
  * `skip_cert_verification` - (Optional) Whether to skip TLS verification.
    Defaults to `false`.
+ * `supports_locking` - (Optional) Whether to enable locking related calls
+   Defaults to `false`.