diff --git a/src/pkg/log/log.go b/src/pkg/log/log.go
index 1d7f209d1d..d37e4375e4 100644
--- a/src/pkg/log/log.go
+++ b/src/pkg/log/log.go
@@ -26,7 +26,7 @@ const (
 	// Bits or'ed together to control what's printed. There is no control over the
 	// order they appear (the order listed here) or the format they present (as
 	// described in the comments).  A colon appears after these items:
-	//	2009/0123 01:23:23.123123 /a/b/c/d.go:23: message
+	//	2009/01/23 01:23:23.123123 /a/b/c/d.go:23: message
 	Ldate         = 1 << iota     // the date: 2009/01/23
 	Ltime                         // the time: 01:23:23
 	Lmicroseconds                 // microsecond resolution: 01:23:23.123123.  assumes Ltime.