Fix doc comments on Label, TextInput

label.go

@@ -33,7 +33,7 @@ func (this *Label) SetFocused (focused bool) {
 	this.box.SetFocused(focused)
 }
 
-// SetText sets the text content of the heading.
+// SetText sets the text content of the label.
 func (this *Label) SetText (text string) {
 	this.box.SetText(text)
 }

textinput.go

@@ -55,7 +55,7 @@ func (this *TextInput) Dot () text.Dot {
 	return this.box.Dot()
 }
 
-// SetAlign sets the X and Y alignment of the label.
+// SetAlign sets the X and Y alignment of the text input.
 func (this *TextInput) SetAlign (x, y tomo.Align) {
 	this.box.SetAttr(tomo.AAlign(x, y))
 }