diff --git a/examples/Example/Program.fs b/examples/Example/Program.fs
index 350d8498..454af59b 100755
--- a/examples/Example/Program.fs
+++ b/examples/Example/Program.fs
@@ -98,8 +98,13 @@ let app =
     path "/session"
       >>= statefulForSession // Session.State.CookieStateStore
       >>= context (fun x ->
-        match x |> HttpContext.state with
-        | None -> Redirection.FOUND "/session" // restarted server without keeping the key; set key manually?
+        match HttpContext.state x with
+        | None ->
+          // restarted server without keeping the key; set key manually?
+          let msg = "Server Key, Cookie Serialiser reset, or Cookie Data Corrupt, "
+                    + "if you refresh the browser page, you'll have gotten a new cookie."
+          OK msg
+
         | Some store ->
           match store.get "counter" with
           | Some y ->
diff --git a/src/Suave/Cookie.fs b/src/Suave/Cookie.fs
index ed874142..776eba04 100644
--- a/src/Suave/Cookie.fs
+++ b/src/Suave/Cookie.fs
@@ -114,7 +114,7 @@ module Cookie =
   let unsetCookie (cookieName : string) =
     let startEpoch = DateTimeOffset(1970, 1, 1, 0, 0, 1, TimeSpan.Zero) |> Some
     let stringValue = HttpCookie.toHeader { HttpCookie.mkKV cookieName "x" with expires = startEpoch }
-    Writers.setHeader "Set-Cookie" stringValue
+    Writers.addHeader "Set-Cookie" stringValue
 
   let setPair (httpCookie : HttpCookie) (clientCookie : HttpCookie) : WebPart =
     context (fun { runtime = { logger = logger } } ->