diff --git a/checker/default_checks.go b/checker/default_checks.go
index 0373fa6a..6dd09061 100644
--- a/checker/default_checks.go
+++ b/checker/default_checks.go
@@ -16,7 +16,7 @@ func GetChecks(includeChecks utils.StringList) BackwardCompatibilityCheckConfig
 func LevelOverrides(includeChecks utils.StringList) map[string]Level {
 	result := map[string]Level{}
 	for _, s := range includeChecks {
-		// if the checker was explicitly included with the `-include-checks`,
+		// if the checker was explicitly included with the `--include-checks`,
 		// it means that it's output is considered a breaking change,
 		// so the returned level should overwritten to ERR.
 		result[s] = ERR
diff --git a/internal/changelog.go b/internal/changelog.go
index da75257d..94945791 100644
--- a/internal/changelog.go
+++ b/internal/changelog.go
@@ -57,6 +57,9 @@ In 'composed' mode, base and revision can be a glob and oasdiff will compare mat
 	cmd.PersistentFlags().StringVarP(&flags.stripPrefixRevision, "strip-prefix-revision", "", "", "strip this prefix from paths in revised-spec before comparison")
 	cmd.PersistentFlags().BoolVarP(&flags.includePathParams, "include-path-params", "", false, "include path parameter names in endpoint matching")
 	cmd.PersistentFlags().VarP(newEnumValue([]string{LangEn, LangRu}, LangDefault, &flags.lang), "lang", "l", "language for localized output")
+	cmd.PersistentFlags().StringVarP(&flags.errIgnoreFile, "err-ignore", "", "", "configuration file for ignoring errors")
+	cmd.PersistentFlags().StringVarP(&flags.warnIgnoreFile, "warn-ignore", "", "", "configuration file for ignoring warnings")
+	cmd.PersistentFlags().VarP(newEnumSliceValue(checker.GetOptionalChecks(), nil, &flags.includeChecks), "include-checks", "i", "comma-separated list of optional checks")
 	cmd.PersistentFlags().IntVarP(&flags.deprecationDays, "deprecation-days", "d", 0, "minimal number of days required between deprecating a resource and removing it")
 
 	return &cmd