adjust comment for better godoc output

R=rsc
DELTA=3  (0 added, 0 deleted, 3 changed)
OCL=31944
CL=31950

diff --git a/src/pkg/bignum/bignum.go b/src/pkg/bignum/bignum.go
index 71bf66d76110be2292e6a05868b96d9ead718ae5..dd2200b6aad7246117169a8fb38e25f47413eb55 100755 (executable)
--- a/src/pkg/bignum/bignum.go
+++ b/src/pkg/bignum/bignum.go
@@ -5,9 +5,9 @@
 // A package for arbitrary precision arithmethic.
 // It implements the following numeric types:
 //
-// - Natural   unsigned integers
-// - Integer   signed integers
-// - Rational  rational numbers
+//     - Natural       unsigned integers
+//     - Integer       signed integers
+//     - Rational      rational numbers
 //
 package bignum