diff --git a/README.md b/README.md
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--- a/README.md
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@@ -12,7 +12,7 @@ A awesome list about Software Defined Network (SDN)
 
 # Protocol
 
-- [OpenFlow](https://www.opennetworking.org/sdn-resources/openflow) - a communications protocol that gives access to the forwarding plane of a network switch or router over the network.
+- [OpenFlow](https://www.opennetworking.org/sdn-resources/openflow) - A communications protocol that gives access to the forwarding plane of a network switch or router over the network.
 - [OF-Config](https://www.opennetworking.org/technical-communities/areas/specification/1928-of-config) - OpenFlow Management and Configuration Protocol
 
 # Controller