lang: funcs: Fix up some old comments

Woops, bad copy-paste issues.

lang/funcs/core/random1_func.go

@@ -94,7 +94,7 @@ func generate(length uint16) (string, error) {
 	return output, nil
 }
 
-// Init runs some startup code for this const.
+// Init runs some startup code for this function.
 func (obj *Random1Func) Init(init *interfaces.Init) error {
 	obj.init = init
 	obj.closeChan = make(chan struct{})
@@ -148,7 +148,7 @@ func (obj *Random1Func) Stream() error {
 	}
 }
 
-// Close runs some shutdown code for this const and turns off the stream.
+// Close runs some shutdown code for this function and turns off the stream.
 func (obj *Random1Func) Close() error {
 	close(obj.closeChan)
 	return nil

lang/funcs/facts/core/hostname_fact.go

@@ -46,14 +46,14 @@ func (obj *HostnameFact) Info() *facts.Info {
 	}
 }
 
-// Init runs some startup code for this const.
+// Init runs some startup code for this fact.
 func (obj *HostnameFact) Init(init *facts.Init) error {
 	obj.init = init
 	obj.closeChan = make(chan struct{})
 	return nil
 }
 
-// Stream returns the single value that this const has, and then closes.
+// Stream returns the single value that this fact has, and then closes.
 func (obj *HostnameFact) Stream() error {
 	select {
 	case obj.init.Output <- &types.StrValue{
@@ -67,7 +67,7 @@ func (obj *HostnameFact) Stream() error {
 	return nil
 }
 
-// Close runs some shutdown code for this const and turns off the stream.
+// Close runs some shutdown code for this fact and turns off the stream.
 func (obj *HostnameFact) Close() error {
 	close(obj.closeChan)
 	return nil