diff --git a/scripts/documentation-file-ref-check b/scripts/documentation-file-ref-check
index 9e7ae14..9d5e21b 100755
--- a/scripts/documentation-file-ref-check
+++ b/scripts/documentation-file-ref-check
@@ -43,7 +43,7 @@
 	# Skip this script
 	next if ($f eq $scriptname);
 
-	if ($ln =~ m,\b(\S*)(Documentation/[A-Za-z0-9\_\.\,\~/\*+-]*),) {
+	if ($ln =~ m,\b(\S*)(Documentation/[A-Za-z0-9\_\.\,\~/\*\[\]\?+-]*),) {
 		my $prefix = $1;
 		my $ref = $2;
 		my $base = $2;