diff --git a/src/core/CCPrint.mli b/src/core/CCPrint.mli
index ae81b69d..2e712110 100644
--- a/src/core/CCPrint.mli
+++ b/src/core/CCPrint.mli
@@ -70,6 +70,7 @@ val bool : bool t
 val float3 : float t (* 3 digits after . *)
 val float : float t
 val char : char t
+(** @since NEXT_RELEASE *)
 
 val list : ?start:string -> ?stop:string -> ?sep:string -> 'a t -> 'a list t
 val array : ?start:string -> ?stop:string -> ?sep:string -> 'a t -> 'a array t