diff --git a/src/bufio/bufio.go b/src/bufio/bufio.go
index e498dfea1e..46df619228 100644
--- a/src/bufio/bufio.go
+++ b/src/bufio/bufio.go
@@ -186,9 +186,8 @@ func (b *Reader) Discard(n int) (discarded int, err error) {
 // It returns the number of bytes read into p.
 // The bytes are taken from at most one Read on the underlying Reader,
 // hence n may be less than len(p).
-// At EOF, the count will be zero and err will be io.EOF.
-//
 // To read exactly len(p) bytes, use io.ReadFull(b, p).
+// At EOF, the count will be zero and err will be io.EOF.
 func (b *Reader) Read(p []byte) (n int, err error) {
 	n = len(p)
 	if n == 0 {