flag: fix typo

LGTM=r
R=golang-codereviews, gobot, r
CC=golang-codereviews
https://golang.org/cl/114850043

diff --git a/src/pkg/flag/flag.go b/src/pkg/flag/flag.go
index 5797cc79d4ba1c4c7a3ea3aaa5fc6f63dd6b1410..fa7760550cd0a650b662a3b10adf82ee330a47b4 100644 (file)
--- a/src/pkg/flag/flag.go
+++ b/src/pkg/flag/flag.go
@@ -830,7 +830,7 @@ func Parsed() bool {
 }
 
 // CommandLine is the default set of command-line flags, parsed from os.Args.
-// The top-level functions such as BoolVar, Arg, and on are wrappers for the
+// The top-level functions such as BoolVar, Arg, and so on are wrappers for the
 // methods of CommandLine.
 var CommandLine = NewFlagSet(os.Args[0], ExitOnError)