diff --git a/lib/ipaddress/ipv6.rb b/lib/ipaddress/ipv6.rb
index 57ed143903de856b04f6d3688317fe06092d18d0..6850c0311a9aa3f21aae0e75137e048b4117ea0e 100644
--- a/lib/ipaddress/ipv6.rb
+++ b/lib/ipaddress/ipv6.rb
@@ -423,7 +423,7 @@ module IPAddress;
     end
 
     #
-    # Checks if an IPv4 address objects belongs
+    # Checks if an IPv6 address objects belongs
     # to a link-local network RFC4291
     #
     # Example: