modify hb strings, help address #302

- input welcome

Author: lukeswitz

src/main/res/values/strings.xml

@@ -153,11 +153,11 @@
     <string name="hearbeat_monitor">Haven Heartbeat Monitor</string>
     <string name="hearbeat_monitor_enable">Enable Heartbeat Alert</string>
     <string name="hearbeat_monitor_summary">Checkup Interval</string>
-    <string name="heartbeat_time_dialog">Enter time (minutes) for battery % and a single-character, heart emoji to be sent. Alerts cease if monitoring is deactivated for any reason</string>
+    <string name="heartbeat_time_dialog">Enter time (minutes) to send battery % and a single-character heart emoji. Alerts cease when Haven stops monitoring for any reason.</string>
     <string name="hearbeat_monitor_dialog">Configure delay between alerts</string>
     <string name="hearbeat_message_dialog">Customize message sent for heartbeat notifications. Leave blank to use default heart emoji</string>
     <string name="hearbeat_message_title">Alert Message</string>
-    <string name="hearbeat_message_summary">Receive customized messages</string>
+    <string name="hearbeat_message_summary">Set custom message text</string>
     <string name="hearbeat_message_summary_on">Custom alerts enabled</string>
     <string name="hearbeat_monitor_initial_message_1">Heartbeat monitor activate: You will receive a notification every</string>
     <string name="hearbeat_monitor_initial_message_2">minute(s) Haven is active &amp; monitoring.</string>