3 files changed, 6 insertions, 6 deletions
diff --git a/src/pkg/compress/lzw/reader.go b/src/pkg/compress/lzw/reader.go
index efbc758f9..ef5969910 100644
--- a/src/pkg/compress/lzw/reader.go
+++ b/src/pkg/compress/lzw/reader.go
@@ -216,8 +216,8 @@ func (d *decoder) Close() error {
 	return nil
 }
 
-// NewReader creates a new io.ReadCloser that satisfies reads by decompressing
-// the data read from r.
+// NewReader creates a new io.ReadCloser.
+// Reads from the returned io.ReadCloser read and decompress data from r.
 // It is the caller's responsibility to call Close on the ReadCloser when
 // finished reading.
 // The number of bits to use for literal codes, litWidth, must be in the
diff --git a/src/pkg/compress/lzw/reader_test.go b/src/pkg/compress/lzw/reader_test.go
index 6f155b1bd..9006c91c2 100644
--- a/src/pkg/compress/lzw/reader_test.go
+++ b/src/pkg/compress/lzw/reader_test.go
@@ -127,7 +127,7 @@ func benchmarkDecoder(b *testing.B, n int) {
 		if len(buf0) > n-i {
 			buf0 = buf0[:n-i]
 		}
-		io.Copy(w, bytes.NewBuffer(buf0))
+		w.Write(buf0)
 	}
 	w.Close()
 	buf1 := compressed.Bytes()
@@ -135,7 +135,7 @@ func benchmarkDecoder(b *testing.B, n int) {
 	runtime.GC()
 	b.StartTimer()
 	for i := 0; i < b.N; i++ {
-		io.Copy(ioutil.Discard, NewReader(bytes.NewBuffer(buf1), LSB, 8))
+		io.Copy(ioutil.Discard, NewReader(bytes.NewReader(buf1), LSB, 8))
 	}
 }
 
diff --git a/src/pkg/compress/lzw/writer.go b/src/pkg/compress/lzw/writer.go
index b20691864..961b25f94 100644
--- a/src/pkg/compress/lzw/writer.go
+++ b/src/pkg/compress/lzw/writer.go
@@ -225,8 +225,8 @@ func (e *encoder) Close() error {
 	return e.w.Flush()
 }
 
-// NewWriter creates a new io.WriteCloser that satisfies writes by compressing
-// the data and writing it to w.
+// NewWriter creates a new io.WriteCloser.
+// Writes to the returned io.WriteCloser are compressed and written to w.
 // It is the caller's responsibility to call Close on the WriteCloser when
 // finished writing.
 // The number of bits to use for literal codes, litWidth, must be in the