Apply suggestion from @EtienneM

Agree

Co-authored-by: Étienne M. <[email protected]>

Author: SC-Jerome-S

src/_posts/security/procedures/2000-01-01-secnumcloud.md

@@ -55,7 +55,7 @@ A standard user cannot directly access `osc-secnum-fr1`: your user account must
 
 #### Domain declaration and regularization
 
-- To simplify future user additions or removals, a company may request domain whitelisting (or submit a list of specific users) through the support channel (email or chat).
+- To simplify future user additions or removals, a company may request domain allow-listing (or submit a list of specific users) through the support channel (email or chat).
 - The domain must already be associated with an existing Scalingo account or application; we do not pre-register unregistered domains from Scalingo services.
 
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