diff --git a/dnsapi2.md b/dnsapi2.md
index 3b11375..ce045da 100644
--- a/dnsapi2.md
+++ b/dnsapi2.md
@@ -100,7 +100,7 @@
 - [176. Use OpenProvider (REST) DNS API](#dns_openprovider_rest)
 - [177. Use Beget.com DNS API](#dns_beget)
 - [178. Use FreeMyIP DNS API](#dns_freemyip)
-- [178. Use Area-7 DNS API](#dns_area7)
+- [179. Use Area-7 DNS API](#dns_area7)
 - [Use custom API](#dns_myapi)
 - [Use lexicon DNS API](#dns_lexicon)