diff --git a/Pushover.indigoPlugin/Contents/Info.plist b/Pushover.indigoPlugin/Contents/Info.plist
index 13a221c..bd4beb4 100644
--- a/Pushover.indigoPlugin/Contents/Info.plist
+++ b/Pushover.indigoPlugin/Contents/Info.plist
@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>PluginVersion</key>
-	<string>2022.0.0</string>
+	<string>2022.0.1</string>
 	<key>ServerApiVersion</key>
 	<string>3.0</string>
 	<key>IwsApiVersion</key>
diff --git a/Pushover.indigoPlugin/Contents/Server Plugin/PluginConfig.xml b/Pushover.indigoPlugin/Contents/Server Plugin/PluginConfig.xml
index 040adc2..407d8c3 100644
--- a/Pushover.indigoPlugin/Contents/Server Plugin/PluginConfig.xml	
+++ b/Pushover.indigoPlugin/Contents/Server Plugin/PluginConfig.xml	
@@ -4,7 +4,7 @@
 		<Label>API Token:</Label>
 	</Field>
 	<Field id="hlpApiToken" type="label" fontSize="mini" alignWithControl="true">
-		<Label>Required, can be created at https://pushover.net/apps/clone/indigo_domotics</Label>
+		<Label>Required, can be created at https://pushover.net/apps/build</Label>
 	</Field>
 	<Field id="userKey" type="textfield" default="">
 		<Label>User Key:</Label>
diff --git a/Pushover.indigoPlugin/Contents/Server Plugin/plugin.py b/Pushover.indigoPlugin/Contents/Server Plugin/plugin.py
index 682cc01..8cc747a 100644
--- a/Pushover.indigoPlugin/Contents/Server Plugin/plugin.py	
+++ b/Pushover.indigoPlugin/Contents/Server Plugin/plugin.py	
@@ -15,20 +15,20 @@ def __init__(self, pluginId, pluginDisplayName, pluginVersion, pluginPrefs):
         self.logLevel = int(pluginPrefs.get("logLevel", logging.INFO))
         self.indigo_log_handler.setLevel(self.logLevel)
         self.logger.debug(f"logLevel = {self.logLevel}")
-
+        self.apiToken = None
         self.sounds = None
 
+    def startup(self):
+        self.logger.debug(f"startup called")
 
         self.apiToken = pluginPrefs.get('apiToken', None)
         if not self.apiToken:
             self.logger.warning(f"PI Token not configured")
 
-    def startup(self):
-        self.logger.debug(f"startup called")
         try:
             r = requests.get(f"https://api.pushover.net/1/sounds.json?token={self.apiToken}")
-            customdecoder = json.JSONDecoder(object_hook=OrderedDict)
-            rdict = customdecoder.decode(r.text)
+            custom_decoder = json.JSONDecoder(object_hook=OrderedDict)
+            rdict = custom_decoder.decode(r.text)
             self.sounds = rdict['sounds']
         except Exception as err:
             self.logger.warning(f"Error getting alert sounds list: {err}")
@@ -156,12 +156,28 @@ def cancel(self, pluginAction):
     # ConfigUI methods
     ########################################
 
+    def validatePrefsConfigUi(self, valuesDict):
+        self.logger.debug(u"validatePrefsConfigUi called")
+        errorMsgDict = indigo.Dict()
+
+        if valuesDict["apiToken"] == "":
+            errorMsgDict['apiToken'] = "API Token is required"
+
+        if len(errorMsgDict) > 0:
+            return False, valuesDict, errorMsgDict
+        return True, valuesDict
+
     def closedPrefsConfigUi(self, valuesDict, userCancelled):
+        self.logger.debug(u"closedPrefsConfigUi called")
         if not userCancelled:
             self.logLevel = int(valuesDict.get("logLevel", logging.INFO))
             self.indigo_log_handler.setLevel(self.logLevel)
             self.logger.debug(f"logLevel = {self.logLevel}")
 
+            self.apiToken = valuesDict.get('apiToken', None)
+            if not self.apiToken:
+                self.logger.error(f"API Token not configured")
+
     # doesn't do anything, just needed to force other menus to dynamically refresh
     @staticmethod
     def menuChanged(valuesDict, typeId, devId):