diff --git a/doc/source/library_packet_ref/packet_ethernet.rst b/doc/source/library_packet_ref/packet_ethernet.rst
index 25ff1f27..7498db84 100644
--- a/doc/source/library_packet_ref/packet_ethernet.rst
+++ b/doc/source/library_packet_ref/packet_ethernet.rst
@@ -1,5 +1,5 @@
 ********
-Ehternet
+Ethernet
 ********
 
 .. automodule:: ryu.lib.packet.ethernet