math/big: fix typo

Fixes #4678.

TBR=gri
CC=golang-dev
https://golang.org/cl/7135059

diff --git a/src/pkg/math/big/int.go b/src/pkg/math/big/int.go
index 63a4536e2a0b387f4b77a4f535d92485014bf1a2..bf2fd200926d2efb680b5d69b642c743125cb697 100644 (file)
--- a/src/pkg/math/big/int.go
+++ b/src/pkg/math/big/int.go
@@ -526,7 +526,7 @@ func (x *Int) Int64() int64 {
        return v
 }
 
-// Uint64 returns the int64 representation of x.
+// Uint64 returns the uint64 representation of x.
 // If x cannot be represented in an uint64, the result is undefined.
 func (x *Int) Uint64() uint64 {
        if len(x.abs) == 0 {