diff --git a/b2-cwd/integration/live/session4/accessibilite/README.md b/b2-cwd/integration/live/session4/accessibilite/README.md
index 2358b80..c0b3a92 100644
--- a/b2-cwd/integration/live/session4/accessibilite/README.md
+++ b/b2-cwd/integration/live/session4/accessibilite/README.md
@@ -19,6 +19,7 @@ https://www.w3.org/WAI/
 https://www.w3.org/WAI/standards-guidelines/wcag/
 
 ##référentiel accessibilité des administrations (RGAA)
+https://www.numerique.gouv.fr/publications/rgaa-accessibilite/
 
 ## css_selectors
 https://www.w3schools.com/cssref/css_selectors.asp