diff --git a/prowler b/prowler
index 7ffe651f..45d52f6a 100755
--- a/prowler
+++ b/prowler
@@ -67,7 +67,7 @@ USAGE:
       -f <filterregion>   specify an AWS region to run checks against
                             (i.e.: us-west-1)
       -m <maxitems>       specify the maximum number of items to return for long-running requests (default: 100)
-      -M <mode>           output mode: text (default), mono, json, json-asff, junit-xml, csv. They can be used combined comma separated.
+      -M <mode>           output mode: text (default), mono, html, json, json-asff, junit-xml, csv. They can be used combined comma separated.
                             (separator is ","; data is on stdout; progress on stderr).
       -k                  keep the credential report
       -n                  show check numbers to sort easier
@@ -564,4 +564,4 @@ if [[ $ACCOUNT_TO_ASSUME ]]; then
   unset AWS_SESSION_TOKEN
 fi
 
-exit $EXITCODE
\ No newline at end of file
+exit $EXITCODE