diff --git a/README.md b/README.md
index cc78916..505f664 100644
--- a/README.md
+++ b/README.md
@@ -47,8 +47,8 @@ var costMatrix = [
 
 solver
     .solveTsp(costMatrix, true, {})
-    .then(function (result)) {
+    .then(function (result) {
         console.log(result) // result is an array of indices specifying the route.
     })
 
-</code></pre>
\ No newline at end of file
+</code></pre>