diff --git a/lib/onnx/onnx.ml b/lib/onnx/onnx.ml
index 427f0469a2acc6043e8dc5d6cca2b5201b91af00..9e61f4cac120e01f0cf0c8a22587ad84b2f5401f 100644
--- a/lib/onnx/onnx.ml
+++ b/lib/onnx/onnx.ml
@@ -12,8 +12,8 @@ module Oproto = Onnx_protoc (* Autogenerated during compilation *)
 module Oprotom = Oproto.Onnx.ModelProto
 
 type t = {
-  n_inputs : int;  (** Number of inputs. *)
-  n_outputs : int;  (** Number of outputs. *)
+  n_inputs : int;  (* Number of inputs. *)
+  n_outputs : int;  (* Number of outputs. *)
 }
 
 (* ONNX format handling. *)