diff --git a/src/pkg/strconv/atob.go b/src/pkg/strconv/atob.go
index 69fa2292a1..98ce750798 100644
--- a/src/pkg/strconv/atob.go
+++ b/src/pkg/strconv/atob.go
@@ -7,8 +7,8 @@ package strconv
 import "os"
 
 // Atob returns the boolean value represented by the string.
-// It accepts 1, t, T, TRUE, true, 0, f, F, FALSE, false.  Any other value returns
-// an error.
+// It accepts 1, t, T, TRUE, true, True, 0, f, F, FALSE, false, False.
+// Any other value returns an error.
 func Atob(str string) (value bool, err os.Error) {
 	switch str {
 	case "1", "t", "T", "true", "TRUE", "True":
diff --git a/src/pkg/strconv/atob_test.go b/src/pkg/strconv/atob_test.go
index 497df5b18d..541e60d1e9 100644
--- a/src/pkg/strconv/atob_test.go
+++ b/src/pkg/strconv/atob_test.go
@@ -24,11 +24,13 @@ var atobtests = []atobTest{
 	{"F", false, nil},
 	{"FALSE", false, nil},
 	{"false", false, nil},
+	{"False", false, nil},
 	{"1", true, nil},
 	{"t", true, nil},
 	{"T", true, nil},
 	{"TRUE", true, nil},
 	{"true", true, nil},
+	{"True", true, nil},
 }
 
 func TestAtob(t *testing.T) {