diff --git a/ocaml/doc/odoc_json.ml b/ocaml/doc/odoc_json.ml
index 3c4432203e..0d93abb9f4 100644
--- a/ocaml/doc/odoc_json.ml
+++ b/ocaml/doc/odoc_json.ml
@@ -75,20 +75,20 @@ open String
 let remove_asterisks str =
 	let n = String.length str in
 	let res = Buffer.create n in
-	let phase = ref 0 in
+	let phase = ref false in
 	for i = 0 to n-1 do
 		match !phase with
-		| 0 ->
+		| false ->
 			if str.[i] == '\n' then begin
-				phase := 1;
+				phase := true;
 				Buffer.add_char res ' '
 			end else if i == 0 && str.[i] == '*' then
-				phase := 1
+				phase := true
 			else
 				Buffer.add_char res str.[i]
-		| 1 -> 
+		| true -> 
 			if not (List.mem str.[i] ['\n'; '\t'; ' '; '*']) then begin
-				phase := 0;
+				phase := false;
 				Buffer.add_char res str.[i]
 			end
 		| _ -> failwith "something went wrong!"
@@ -166,7 +166,7 @@ let rec json_to_string n = function
 | Object l -> (endl n) ^ "{ " ^ (String.concat ("," ^ (endl (n+1))) (List.map (fun (s, j) -> "\"" ^ s ^ "\": " ^ (json_to_string (n+2) j)) l)) ^ " }"
 | Array l -> "[ " ^ (String.concat ", " (List.map (fun j -> (json_to_string n j)) l)) ^ " ]"
 | String s -> "\"" ^ (escape_json s) ^ "\""
-| Number n -> string_of_float n
+| Number n -> Printf.sprintf "%.4f" n
 | True -> "true"
 | False -> "false"
 | Empty -> "\"\""