changes.src: Describe changes for 2.09.01

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
diff --git a/doc/changes.src b/doc/changes.src
index 0cb5f27..61a5cfe 100644
--- a/doc/changes.src
+++ b/doc/changes.src
@@ -8,6 +8,13 @@
 since 2007.
 
 
+\S{cl-2.09.01} Version 2.09.01
+
+\b Fix NULL dereference on missed %deftok second parameter.
+
+\b Fix NULL dereference on invalid %substr parameters.
+
+
 \S{cl-2.09} Version 2.09
 
 \b Fixed assignment the magnitude of \c{%rep} counter. It is limited