diff --git a/doc/ISSUES.org b/doc/ISSUES.org
index 73320511..782bc6f8 100644
--- a/doc/ISSUES.org
+++ b/doc/ISSUES.org
@@ -1,6 +1,28 @@
 *Long term issues*
 ------------------
 
+* TODO #22: Enhanced services for SPSC Queue                    :ENHANCEMENT:
+
+Add services:
+
+**  _push_bulk
+Test the capacity of the queue and push as much as possible in the queue
+with one check of the atomic structure.
+
+**  _pop_bulk
+Test the capacity of the queue and push as much as possible in the queue
+with one check of the atomic structure.
+
+
+Test the capacity of the queue and pop as much as possible in the queue
+with one check of the atomic structure
+
+**  _push_force:
+
+If the capacity of the queue is full, pop one element and push it:
+push always succeed and the queue always keep the youngest element.
+
+
 * TODO #21: Generic Binary serialization                        :ENHANCEMENT:
 
    Based on issue #26 of  https://github.com/P-p-H-d/mlib/issues/26
diff --git a/m-buffer.h b/m-buffer.h
index 4d05cbcf..e31912fb 100644
--- a/m-buffer.h
+++ b/m-buffer.h
@@ -1,5 +1,5 @@
 /*
- * M*LIB - Fixed size BUFFER & STACK interface
+ * M*LIB - Fixed size QUEUE & STACK interface
  *
  * Copyright (c) 2017-2019, Patrick Pelissier
  * All rights reserved.