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diff --git a/tools/readme.org b/tools/readme.org
index 2b618272d0bd26e6bae86e3f379422ef323e7d04..4ce40b460f08e39146f5b3067d9b32bf4297552d 100644
--- a/tools/readme.org
+++ b/tools/readme.org
@@ -1,6 +1,9 @@
 
-Some experimental but yet useful tools by Nathan Rébiscoul and Gwennan
-Eliezer (undergraduate trainees).
+Various tools to use with =sasa=
 
-- =gg= is a dot graph generator.
-- =gg-deco= decorates graphs generated by =gg=  
+- =rdbgui= is a GUI dedicated to the use of =sasa= with =rdbg=
+- =gg= is a dot graph generator (*).
+- =gg-deco= decorates graphs generated by =gg= (*) 
+
+(*) experimental but yet useful  tools implemented by Nathan Rébiscoul
+and Gwennan Eliezer (undergraduate trainees).