diff --git a/README.md b/README.md
index 46f9eb5..289104f 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/arduino-libraries/NTPClient.svg?branch=master)](https://travis-ci.org/arduino-libraries/NTPClient)
 
-Connect to a NTP server, here is how:
+Connect to an NTP server, here is how:
 
 ```cpp
 #include <NTPClient.h>