diff --git a/src/core/CCChar.mli b/src/core/CCChar.mli
index 813d30bd..56414df3 100644
--- a/src/core/CCChar.mli
+++ b/src/core/CCChar.mli
@@ -41,7 +41,7 @@ val to_int : t -> int
     @since 1.0 *)
 
 val pp_buf : Buffer.t -> t -> unit
-(** Used to be {!pp}, changed name @since NEXT_RELEASE *)
+(** Used to be {!pp}, changed name @since 2.0 *)
 
 val pp : Format.formatter -> t -> unit
-(** Used to be {!print}, changed name @since NEXT_RELEASE *)
+(** Used to be {!print}, changed name @since 2.0 *)
diff --git a/src/core/CCHeap.ml b/src/core/CCHeap.ml
index 23907361..4b5699d6 100644
--- a/src/core/CCHeap.ml
+++ b/src/core/CCHeap.ml
@@ -195,7 +195,7 @@ module type S = sig
 
   val pp : ?sep:string -> elt printer -> t printer
   (** @since 0.16
-      Renamed from {!print} @since NEXT_RELEASE *)
+      Renamed from {!print} @since 2.0 *)
 end
 
 module Make(E : PARTIAL_ORD) : S with type elt = E.t = struct
diff --git a/src/core/CCHeap.mli b/src/core/CCHeap.mli
index c800fe77..6606c76e 100644
--- a/src/core/CCHeap.mli
+++ b/src/core/CCHeap.mli
@@ -59,7 +59,7 @@ module type S = sig
   (** Delete one occurrence of a value if it exist in the heap.
       [delete_one eq x h], use [eq] to find one [x] in [h] and delete it.
       If [h] do not contain [x] then it return [h].
-      @since NEXT_RELEASE *)
+      @since 2.0 *)
 
   val delete_all : (elt -> elt -> bool) -> elt -> t -> t
   (** Delete all occurrences of a value in the heap.
@@ -67,7 +67,7 @@ module type S = sig
       If [h] do not contain [x] then it return [h].
       The difference with {!filter} is that [delete_all] stops as soon as
       it enters a subtree whose root is bigger than the element.
-      @since NEXT_RELEASE *)
+      @since 2.0 *)
 
   val iter : (elt -> unit) -> t -> unit
   (** Iterate on elements. *)
@@ -133,7 +133,7 @@ module type S = sig
 
   val pp : ?sep:string -> elt printer -> t printer
   (** @since 0.16
-      Renamed from {!print} @since NEXT_RELEASE *)
+      Renamed from {!print} @since 2.0 *)
 end
 
 module Make(E : PARTIAL_ORD) : S with type elt = E.t
diff --git a/src/core/CCList.mli b/src/core/CCList.mli
index 971bd9ca..58041c2f 100644
--- a/src/core/CCList.mli
+++ b/src/core/CCList.mli
@@ -254,7 +254,7 @@ val head_opt : 'a t -> 'a option
 
 val tail_opt : 'a t -> 'a t option
 (** Return the given list without its first element.
-    @since NEXT_RELEASE *)
+    @since 2.0 *)
 
 val last_opt : 'a t -> 'a option
 (** Last element.
diff --git a/src/core/CCListLabels.mli b/src/core/CCListLabels.mli
index 4fe65465..e0618a42 100644
--- a/src/core/CCListLabels.mli
+++ b/src/core/CCListLabels.mli
@@ -169,7 +169,7 @@ val head_opt : 'a t -> 'a option
 
 val tail_opt : 'a t -> 'a t option
 (** Return the given list without its first element.
-    @since NEXT_RELEASE *)
+    @since 2.0 *)
 
 val last_opt : 'a t -> 'a option
 (** Last element.