diff --git a/test/bench/go1/parserdata_test.go b/test/bench/go1/parserdata_test.go
index 001c5d8963..8255d182cb 100644
--- a/test/bench/go1/parserdata_test.go
+++ b/test/bench/go1/parserdata_test.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Input for parser benchmark.
-// This was generated by starting with a the contents of
+// This was generated by starting with the contents of
 // src/pkg/go/parser/parser.go at rev 9b455eb64690, then
 // compressing with bzip2 -9, then encoding to base64.
 // We compile the data into the binary so that the benchmark is