--- a/devel-proj-files.rst	Wed Nov 07 16:06:52 2012 +0200
+++ b/devel-proj-files.rst	Wed Nov 07 16:24:18 2012 +0200
@@ -15,6 +15,15 @@
  * AUTHORS
  * CHANGES
 
+This files can have suffixes to represent formating syntax:
+
+ * ``.txt`` - plain text
+ * ``.rst`` - reStructuredText
+ * ``.md`` - Markdown
+ * ``.rd``, ``.rdoc`` - RDtool
+
+and optionally compressed - ``.gz``.
+
 General info files.
 ===================
 
@@ -108,6 +117,7 @@
   CONTRIBUTORS THANKS CREDITS ACKNOWLEDGEMENTS
 
  * Casual/non-regular contributor list.
+ * Thanks for hardware/hosting/money etc.
 
 DEDICATION file.
 ----------------
@@ -385,6 +395,9 @@
   ANNOUNCE
   ANNOUNCEMENT
 
+ * Only current release changes and notes. No history. Same text was sent to
+   mail lists as announce.
+
 HISTORY file.
 =============