diff --git a/internal/share/rules.go b/internal/share/rules.go
index 6025437..38918db 100644
--- a/internal/share/rules.go
+++ b/internal/share/rules.go
@@ -53,7 +53,7 @@ func (r Rules) Check(key []byte) error {
 	if len(has) == 0 {
 		return nil
 	}
-	return fmt.Errorf("its value has %s; share.keyRules needs %s. Use a random one, like openssl rand -base64 32 makes",
+	return fmt.Errorf("its value has %s; share.keyRules needs %s",
 		strings.Join(has, " and "), strings.Join(needs, " and "))
 }