Merge pull request ocaml#13664 from olejodd10/doc-map-add-to-list

Improve documentation of Map.S.add_to_list

stdlib/map.mli

@@ -88,7 +88,7 @@ module type S =
     val add_to_list: key -> 'a -> 'a list t -> 'a list t
     (** [add_to_list key data m] is [m] with [key] mapped to [l] such
         that [l] is [data :: Map.find key m] if [key] was bound in
-        [m] and [[v]] otherwise.
+        [m] and [[data]] otherwise.
         @since 5.1 *)
 
     val update: key -> ('a option -> 'a option) -> 'a t -> 'a t

stdlib/moreLabels.mli

@@ -739,7 +739,7 @@ module Map : sig
       val add_to_list: key:key -> data:'a -> 'a list t -> 'a list t
       (** [add_to_list ~key ~data m] is [m] with [key] mapped to [l] such
           that [l] is [data :: Map.find key m] if [key] was bound in
-          [m] and [[v]] otherwise.
+          [m] and [[data]] otherwise.
           @since 5.1 *)
 
       val update: key:key -> f:('a option -> 'a option) -> 'a t -> 'a t

stdlib/templates/map.template.mli

@@ -88,7 +88,7 @@ module type S =
     val add_to_list: key:key -> data:'a -> 'a list t -> 'a list t
     (** [add_to_list ~key ~data m] is [m] with [key] mapped to [l] such
         that [l] is [data :: Map.find key m] if [key] was bound in
-        [m] and [[v]] otherwise.
+        [m] and [[data]] otherwise.
         @since 5.1 *)
 
     val update: key:key -> f:('a option -> 'a option) -> 'a t -> 'a t