diff --git a/ChangeLog b/ChangeLog
index 40a1a8b..2abd51f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,9 @@
-2015-10-12  Juergen Knoedlseder  <jurgen.knodlseder@irap.omp.eu>
+2015-10-28  Juergen Knoedlseder  <jurgen.knodlseder@irap.omp.eu>
 
         * Version 0.10.0 released
         =========================
 
+        Specifying --help on command line displays help text (#572)
         Limit power law parameters in ctbkgcube (#1547)
         Extend cspull to stacked analysis (#1503)
         Add tests for installed ctools version (#1486)
diff --git a/NEWS b/NEWS
index 339f42b..77bddb2 100644
--- a/NEWS
+++ b/NEWS
@@ -2,7 +2,7 @@ New Features and Important Changes in ctools 0.10.0
 
 Author(s) : Juergen Knoedlseder
 
-12 October 2015
+28 October 2015
 
 
 1. Introduction
@@ -37,7 +37,9 @@ executed by typing the following under Python:
 
 4. Support model
 ----------------
-None
+The ctool base class now handles the specification of the --help option on
+the command line. For each tools or script, a help text that is generated from
+the .rst documentation files is displayed on the console when --help is given.
 
 
 5. ctobssim - CTA observation simulation
diff --git a/README b/README
index 49ae36c..b74b9e8 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 ctools information
 ==================
-Version:             0.10.0 (12 October 2015)
+Version:             0.10.0 (28 October 2015)
 Author:              Juergen Knodlseder (jurgen.knodlseder@irap.omp.eu)
 GammaLib dependency: 0.11.0