diff --git a/ChangeLog b/ChangeLog
index a834ef3e56a..da1efec9138 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -15,6 +15,13 @@ For developers:
 * Code changes to be more compatible with PSR2
 * Removed trigger USER_LOGOUT, USER_LOGIN, USER_LOGIN_FAILED (Some hooks are already dedicated for that)
 
+WARNING:
+
+Following changes may create regressions for some external modules, but were necessary to make Dolibarr better:
+* If you use some links like viewimages.php?modulepart=mycompany&file=... in you external modules, you must
+  relace them with links like viewimages.php?modulepart=mycompany&file=logos/... (note that link change only for
+  modulepart=mycompany that now works like others).
+
 
 
 ***** ChangeLog for 8.0.1 compared to 8.0.0 *****