diff --git a/_tags b/_tags
index 8db6492b..ec418e40 100644
--- a/_tags
+++ b/_tags
@@ -1 +1 @@
-<futures.*>: thread
+<future.*>: thread
diff --git a/examples/mem_size.ml b/examples/mem_size.ml
index 2a8c0f74..65d8b534 100644
--- a/examples/mem_size.ml
+++ b/examples/mem_size.ml
@@ -30,7 +30,7 @@ let compute_size x =
 let print_val fmt x =
   let o = Obj.repr x in
   let graph' = G.map ~edges:(fun i -> [`Label (string_of_int i)])
-                 ~vertices:(fun v -> [`Label (string_of_int v)]) graph in
+                 ~vertices:(fun v -> [`Label (string_of_int v); `Shape "box"]) graph in
   G.Dot.pp ~name:"value" graph' fmt (Enum.singleton o)
 
 let print_val_file filename x =
diff --git a/futures.ml b/future.ml
similarity index 100%
rename from futures.ml
rename to future.ml
diff --git a/futures.mli b/future.mli
similarity index 100%
rename from futures.mli
rename to future.mli
diff --git a/thread_containers.mllib b/thread_containers.mllib
index 12ece353..99668811 100644
--- a/thread_containers.mllib
+++ b/thread_containers.mllib
@@ -1 +1 @@
-Futures
+Future