diff --git a/README.md b/README.md
index 50c2974..853dae7 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ var copyFrom = require('pg-copy-streams').from;
 
 pg.connect(function(err, client, done) {
   var stream = client.query(copyFrom('COPY my_table FROM STDIN'));
-  var fileStream = fs.createReadStream('some_file.tdv')
+  var fileStream = fs.createReadStream('some_file.tsv')
   fileStream.on('error', done);
   fileStream.pipe(stream).on('finish', done).on('error', done);
 });