src/os/exec/exec.go | 4 ++--

diff --git a/src/os/exec/exec.go b/src/os/exec/exec.go
index f0dc7dab7dea0adf143c98c99451fb7f664fc874..57d18420bbdcc905de69a8d9ae494a7ee54d3c7c 100644
--- a/src/os/exec/exec.go
+++ b/src/os/exec/exec.go
@@ -462,8 +462,8 @@ // Start starts the specified command but does not wait for it to complete.
 //
 // If Start returns successfully, the c.Process field will be set.
 //
-// The Wait method will return the exit code and release associated resources
-// once the command exits.
+// After a successful call to Start the Wait method must be called in
+// order to release associated system resources.
 func (c *Cmd) Start() error {
 	if c.Path == "" && c.Err == nil && c.lookPathErr == nil {
 		c.Err = errors.New("exec: no command")