diff --git a/core/CCArray.mli b/core/CCArray.mli
index ab975073..78a0e40b 100644
--- a/core/CCArray.mli
+++ b/core/CCArray.mli
@@ -71,11 +71,13 @@ module type S = sig
       that [f x = Some y], else it returns [None] *)
 
   val findi : (int -> 'a -> 'b option) -> 'a t -> 'b option
-  (** Like {!find}, but also pass the index to the predicate function. *)
+  (** Like {!find}, but also pass the index to the predicate function.
+      @since NEXT_RELEASE *)
 
   val find_idx : ('a -> bool) -> 'a t -> (int * 'a) option
   (** [find p x] returns [Some (i,x)] where [x] is the [i]-th element of [l],
-    and [p x] holds. Otherwise returns [None] *)
+      and [p x] holds. Otherwise returns [None]
+      @since NEXT_RELEASE *)
 
   val lookup : ?cmp:'a ord -> 'a -> 'a t -> int option
   (** Lookup the index of some value in a sorted array.
diff --git a/core/CCList.mli b/core/CCList.mli
index f3c5f7af..9f5115d8 100644
--- a/core/CCList.mli
+++ b/core/CCList.mli
@@ -94,11 +94,13 @@ val find : ('a -> 'b option) -> 'a t -> 'b option
     the call returns [None] *)
 
 val findi : (int -> 'a -> 'b option) -> 'a t -> 'b option
-(** Like {!find}, but also pass the index to the predicate function. *)
+(** Like {!find}, but also pass the index to the predicate function.
+    @since NEXT_RELEASE *)
 
 val find_idx : ('a -> bool) -> 'a t -> (int * 'a) option
 (** [find p x] returns [Some (i,x)] where [x] is the [i]-th element of [l],
-    and [p x] holds. Otherwise returns [None] *)
+    and [p x] holds. Otherwise returns [None]
+    @since NEXT_RELEASE *)
 
 val filter_map : ('a -> 'b option) -> 'a t -> 'b t
 (** Map and remove elements at the same time *)