diff --git a/.gitignore b/.gitignore
index 0c582a2..af23741 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,9 @@ google-services.json
 .keystores/
 .signing/
 
+# Playground
+playground/
+
 # Release
 app/release/
 
diff --git a/app/build.gradle b/app/build.gradle
index f7b77ec..77fa78a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -12,8 +12,8 @@ android {
         minSdkVersion 21
         targetSdkVersion 30
 
-        versionCode 2
-        versionName "1.0.1"
+        versionCode 5
+        versionName "1.1.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
diff --git a/app/src/main/java/io/heckel/ntfy/msg/ApiService.kt b/app/src/main/java/io/heckel/ntfy/msg/ApiService.kt
index 002611b..a40debd 100644
--- a/app/src/main/java/io/heckel/ntfy/msg/ApiService.kt
+++ b/app/src/main/java/io/heckel/ntfy/msg/ApiService.kt
@@ -1,6 +1,7 @@
 package io.heckel.ntfy.msg
 
 import android.util.Log
+import androidx.annotation.Keep
 import com.google.gson.Gson
 import io.heckel.ntfy.data.Notification
 import io.heckel.ntfy.data.topicUrl
@@ -107,10 +108,13 @@ class ApiService {
     }
 
     private fun fromString(subscriptionId: Long, s: String): Notification {
-        val n = gson.fromJson(s, Message::class.java)
-        return Notification(n.id, subscriptionId, n.time, n.message, notificationId = 0, deleted = false)
+        val message = gson.fromJson(s, Message::class.java)
+        return Notification(message.id, subscriptionId, message.time, message.message, notificationId = 0, deleted = false)
     }
 
+    /* This annotation ensures that proguard still works in production builds,
+     * see https://stackoverflow.com/a/62753300/1440785 */
+    @Keep
     private data class Message(
         val id: String,
         val time: Long,
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2340fcf..f48db4d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -51,8 +51,8 @@
     </string>
     <string name="add_dialog_instant_delivery">Instant delivery in doze mode</string>
     <string name="add_dialog_instant_delivery_description">
-        Android\'s doze mode sometimes causes delayed message delivery to conserve power. Using this option, notifications are
-        always immediately delivered. This requires a foreground service and consumes a little more power.
+        Ensures that messages are immediately delivered, even if the device is inactive or in doze mode.
+        This requires a foreground service and consumes a little more power.
     </string>
     <string name="add_dialog_button_cancel">Cancel</string>
     <string name="add_dialog_button_subscribe">Subscribe</string>