update code documentation

command.go

@@ -6,12 +6,19 @@ import (
 	"github.com/bwmarrin/discordgo"
 )
 
+// Command specifies the base interface for an
+// application command.
 type Command interface {
 	// Name returns the unique name of the command.
 	Name() string
 
 	// Description returns a brief text which concisely
 	// describes the commands purpose.
+	//
+	// Currently, this is ignored by user and message
+	// commands, because the API currently does not
+	// support descriptions for these types of
+	// application commands.
 	Description() string
 
 	// Run is called on command invokation getting

context.go

@@ -33,6 +33,9 @@ func newCtx() *Ctx {
 
 // Respond to an interaction event with the given
 // interaction response payload.
+//
+// When an interaction has already been responded to,
+// the response will be edited instead on execution.
 func (c *Ctx) Respond(r *discordgo.InteractionResponse) (err error) {
 	if c.responded {
 		if r == nil || r.Data == nil {