fix typo

example/readline-multiline/readline-multiline.go

@@ -28,7 +28,7 @@ func main() {
 			continue
 		}
 		cmds = append(cmds, line)
-		if !strings.Contains(line, ";") {
+		if !strings.HasSuffix(line, ";") {
 			rl.SetPrompt(">>> ")
 			continue
 		}

readline.go

@@ -152,7 +152,7 @@ func (i *Instance) SetMaskRune(r rune) {
 	i.Operation.SetMaskRune(r)
 }
 
-// change hisotry persistence in runtime
+// change history persistence in runtime
 func (i *Instance) SetHistoryPath(p string) {
 	i.Operation.SetHistoryPath(p)
 }