diff --git a/README.md b/README.md
index fbd65dd..95c4da7 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Use -n option can connect to a TCP source in Gnuradio for realtime simulation.
 
 The tcp source should be set in "Server" mode.
 
-See tcp.grc as a example.
+See tcp.grc as an example.
 
 ### Generating the GPS signal file