diff --git a/TTS.gd b/TTS.gd
index 30c2154..c339cbb 100644
--- a/TTS.gd
+++ b/TTS.gd
@@ -5,157 +5,185 @@ var TTS
 
 var tts
 
+
 func _ready():
-    if OS.get_name() == "Server" or OS.has_feature("JavaScript"):
-        return
-    elif Engine.has_singleton("AndroidTTS"):
-        tts = Engine.get_singleton("AndroidTTS")
-    else:
-        TTS  = preload("godot-tts.gdns")
-    if TTS and (TTS.can_instance() or Engine.editor_hint):
-        tts = TTS.new()
-    else:
-        print_debug("TTS not available!")
+	if OS.get_name() == "Server" or OS.has_feature("JavaScript"):
+		return
+	elif Engine.has_singleton("AndroidTTS"):
+		tts = Engine.get_singleton("AndroidTTS")
+	else:
+		TTS = preload("godot-tts.gdns")
+	if TTS and (TTS.can_instance() or Engine.editor_hint):
+		tts = TTS.new()
+	else:
+		print_debug("TTS not available!")
+
 
 func _get_min_rate():
-    if OS.has_feature('JavaScript'):
-        return 0.1
-    elif Engine.has_singleton("AndroidTTS"):
-        return 0.1
-    elif tts != null:
-        return tts.min_rate
-    else:
-        return 0
+	if OS.has_feature('JavaScript'):
+		return 0.1
+	elif Engine.has_singleton("AndroidTTS"):
+		return 0.1
+	elif tts != null:
+		return tts.min_rate
+	else:
+		return 0
+
 
 var min_rate setget , _get_min_rate
 
+
 func _get_max_rate():
-    if OS.has_feature('JavaScript'):
-        return 10
-    elif Engine.has_singleton("AndroidTTS"):
-        return 10.0
-    elif tts != null:
-        return tts.max_rate
-    else:
-        return 0
+	if OS.has_feature('JavaScript'):
+		return 10
+	elif Engine.has_singleton("AndroidTTS"):
+		return 10.0
+	elif tts != null:
+		return tts.max_rate
+	else:
+		return 0
+
 
 var max_rate setget , _get_max_rate
 
+
 func _get_normal_rate():
-    if OS.has_feature('JavaScript'):
-        return 1
-    elif Engine.has_singleton("AndroidTTS"):
-        return 1.0
-    elif tts != null:
-        return tts.normal_rate
-    else:
-        return 0
+	if OS.has_feature('JavaScript'):
+		return 1
+	elif Engine.has_singleton("AndroidTTS"):
+		return 1.0
+	elif tts != null:
+		return tts.normal_rate
+	else:
+		return 0
+
 
 var normal_rate setget , _get_normal_rate
 
 var javascript_rate = 50
 
+
 func _set_rate(rate):
-    if rate < self.min_rate:
-        rate = self.min_rate
-    elif rate > self.max_rate:
-        rate = self.max_rate
-    if Engine.has_singleton("AndroidTTS"):
-        return tts.set_rate(rate)
-    elif tts != null:
-        tts.rate = rate
-    elif OS.has_feature('JavaScript'):
-        javascript_rate = rate
+	if rate < self.min_rate:
+		rate = self.min_rate
+	elif rate > self.max_rate:
+		rate = self.max_rate
+	if Engine.has_singleton("AndroidTTS"):
+		return tts.set_rate(rate)
+	elif tts != null:
+		tts.rate = rate
+	elif OS.has_feature('JavaScript'):
+		javascript_rate = rate
+
 
 func _get_rate():
-    if Engine.has_singleton("AndroidTTS"):
-        return tts.get_rate()
-    elif tts != null:
-        return tts.rate
-    elif OS.has_feature('JavaScript'):
-        return javascript_rate
-    else:
-        return 0
+	if Engine.has_singleton("AndroidTTS"):
+		return tts.get_rate()
+	elif tts != null:
+		return tts.rate
+	elif OS.has_feature('JavaScript'):
+		return javascript_rate
+	else:
+		return 0
+
 
 var rate setget _set_rate, _get_rate
 
+
 func _get_rate_percentage():
-    return range_lerp(self.rate, self.min_rate, self.max_rate, 0, 100)
+	return range_lerp(self.rate, self.min_rate, self.max_rate, 0, 100)
+
 
 func _set_rate_percentage(v):
-    self.rate = range_lerp(v, 0, 100, self.min_rate, self.max_rate)
+	self.rate = range_lerp(v, 0, 100, self.min_rate, self.max_rate)
+
 
 var rate_percentage setget _set_rate_percentage, _get_rate_percentage
 
+
 func _get_normal_rate_percentage():
-    return range_lerp(self.normal_rate, self.min_rate, self.max_rate, 0, 100)
+	return range_lerp(self.normal_rate, self.min_rate, self.max_rate, 0, 100)
+
 
 var normal_rate_percentage setget , _get_rate_percentage
 
+
 func speak(text, interrupt := true):
-    if tts != null:
-        tts.speak(text, interrupt)
-    elif OS.has_feature('JavaScript'):
-        var code = """
+	if tts != null:
+		tts.speak(text, interrupt)
+	elif OS.has_feature('JavaScript'):
+		var code = (
+			"""
             let utterance = new SpeechSynthesisUtterance("%s")
             utterance.rate = %s
-        """ % [text.replace("\n", " "), javascript_rate]
-        if interrupt:
-            code += """
+        """
+			% [text.replace("\n", " "), javascript_rate]
+		)
+		if interrupt:
+			code += """
                 window.speechSynthesis.cancel()
             """
-        code += "window.speechSynthesis.speak(utterance)"
-        JavaScript.eval(code)
-    else:
-        print_debug("%s: %s" % [text, interrupt])
+		code += "window.speechSynthesis.speak(utterance)"
+		JavaScript.eval(code)
+	else:
+		print_debug("%s: %s" % [text, interrupt])
+
 
 func stop():
-    if tts != null:
-        tts.stop()
-    elif OS.has_feature('JavaScript'):
-        JavaScript.eval("window.speechSynthesis.cancel()")
+	if tts != null:
+		tts.stop()
+	elif OS.has_feature('JavaScript'):
+		JavaScript.eval("window.speechSynthesis.cancel()")
+
 
 func get_is_rate_supported():
-    if Engine.has_singleton("AndroidTTS"):
-        return true
-    elif OS.has_feature('JavaScript'):
-        return true
-    elif tts != null:
-        return tts.is_rate_supported()
-    else:
-        return false
+	if Engine.has_singleton("AndroidTTS"):
+		return true
+	elif OS.has_feature('JavaScript'):
+		return true
+	elif tts != null:
+		return tts.is_rate_supported()
+	else:
+		return false
+
 
 var is_rate_supported setget , get_is_rate_supported
 
+
 func _get_can_detect_screen_reader():
-    if Engine.has_singleton("AndroidTTS"):
-        return true
-    elif OS.has_feature('JavaScript'):
-        return false
-    elif tts != null:
-        return tts.can_detect_screen_reader
-    return false
+	if Engine.has_singleton("AndroidTTS"):
+		return true
+	elif OS.has_feature('JavaScript'):
+		return false
+	elif tts != null:
+		return tts.can_detect_screen_reader
+	return false
+
 
 var can_detect_screen_reader setget , _get_can_detect_screen_reader
 
+
 func _get_has_screen_reader():
-    if Engine.has_singleton("AndroidTTS"):
-        return tts.has_screen_reader()
-    elif OS.has_feature('JavaScript'):
-        return false
-    elif tts != null:
-        return tts.has_screen_reader
-    return false
+	if Engine.has_singleton("AndroidTTS"):
+		return tts.has_screen_reader()
+	elif OS.has_feature('JavaScript'):
+		return false
+	elif tts != null:
+		return tts.has_screen_reader
+	return false
+
 
 var has_screen_reader setget , _get_has_screen_reader
 
+
 func singular_or_plural(count, singular, plural):
-    if count == 1:
-        return singular
-    else:
-        return plural
+	if count == 1:
+		return singular
+	else:
+		return plural
+
 
 func _exit_tree():
-    if not tts or not TTS:
-        return
-    tts.free()
+	if not tts or not TTS:
+		return
+	tts.free()