diff --git a/prowler b/prowler
index 879f73b9..c3a59e87 100755
--- a/prowler
+++ b/prowler
@@ -92,7 +92,7 @@ USAGE:
       -q                  suppress info messages and passing test output
       -A                  account id for the account where to assume a role, requires -R and -T
                             (i.e.: 123456789012)
-      -R                  role name to assume in the account, requires -A and -T
+      -R                  role name or role arn to assume in the account, requires -A and -T
                             (i.e.: ProwlerRole)
       -T                  session duration given to that role credentials in seconds, default 1h (3600) recommended 12h, requires -R and -T
                             (i.e.: 43200)