diff --git a/app/src/main/java/io/heckel/ntfy/ui/DetailActivity.kt b/app/src/main/java/io/heckel/ntfy/ui/DetailActivity.kt
index bdc717b..5011e7b 100644
--- a/app/src/main/java/io/heckel/ntfy/ui/DetailActivity.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/DetailActivity.kt
@@ -76,8 +76,7 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
         notifier = NotificationService(this)
         appBaseUrl = getString(R.string.app_base_url)
 
-        // Show 'Back' button
-        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+        supportActionBar?.setDisplayHomeAsUpEnabled(false)
 
         // Handle direct deep links to topic "ntfy://..."
         val url = intent?.data
@@ -88,6 +87,10 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
         }
     }
 
+    override fun onBackPressed() {
+        finishAffinity()
+    }
+
     private fun maybeSubscribeAndLoadView(url: Uri) {
         if (url.pathSegments.size != 1) {
             Log.w(TAG, "Invalid link $url. Aborting.")
@@ -168,24 +171,12 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
         val topicUrl = topicShortUrl(subscriptionBaseUrl, subscriptionTopic)
         title = subscriptionDisplayName
 
-        // Set "how to instructions"
-        val howToExample: TextView = findViewById(R.id.detail_how_to_example)
-        howToExample.linksClickable = true
-
-        val howToText = getString(R.string.detail_how_to_example, topicUrl)
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            howToExample.text = Html.fromHtml(howToText, Html.FROM_HTML_MODE_LEGACY)
-        } else {
-            howToExample.text = Html.fromHtml(howToText)
-        }
-
         // Swipe to refresh
         mainListContainer = findViewById(R.id.detail_notification_list_container)
         mainListContainer.setOnRefreshListener { refresh() }
         mainListContainer.setColorSchemeResources(Colors.refreshProgressIndicator)
 
         // Update main list based on viewModel (& its datasource/livedata)
-        val noEntriesText: View = findViewById(R.id.detail_no_notifications)
         val onNotificationClick = { n: Notification -> onNotificationClick(n) }
         val onNotificationLongClick = { n: Notification -> onNotificationLongClick(n) }
 
@@ -199,10 +190,8 @@ class DetailActivity : AppCompatActivity(), ActionMode.Callback, NotificationFra
                 adapter.submitList(it as MutableList<Notification>)
                 if (it.isEmpty()) {
                     mainListContainer.visibility = View.GONE
-                    noEntriesText.visibility = View.VISIBLE
                 } else {
                     mainListContainer.visibility = View.VISIBLE
-                    noEntriesText.visibility = View.GONE
                 }
 
                 // Cancel notifications that still have popups
diff --git a/app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt b/app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt
index b44acab..25d1cdf 100644
--- a/app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/MainActivity.kt
@@ -207,6 +207,7 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
             val defaultTopic = TOPIC_MURENA
             val hasTestTopic = subscriptions.any { it.topic == defaultTopic }
             if (hasTestTopic) {
+                showMurenaSub()
                 return@launch
             }
 
@@ -216,7 +217,7 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
                 topic = defaultTopic,
                 instant = true,
                 dedicatedChannels = false,
-                mutedUntil = 0,
+                mutedUntil = Repository.MUTED_UNTIL_FOREVER,
                 minPriority = Repository.MIN_PRIORITY_USE_GLOBAL,
                 autoDelete = Repository.AUTO_DELETE_USE_GLOBAL,
                 insistent = Repository.INSISTENT_MAX_PRIORITY_USE_GLOBAL,
@@ -230,9 +231,14 @@ class MainActivity : AppCompatActivity(), ActionMode.Callback, AddFragment.Subsc
                 lastActive = Date().time / 1000
             )
             viewModel.add(subscription)
+            showMurenaSub()
         }
     }
 
+    private suspend fun showMurenaSub() {
+        startDetailView(repository.getSubscriptions().find { it.topic == "murena_notification" }!!)
+    }
+
     private fun maybeRequestNotificationPermission() {
         // Android 13 (SDK 33) requires that we ask for permission to post notifications
         // https://developer.android.com/develop/ui/views/notifications/notification-permission
diff --git a/app/src/main/java/io/heckel/ntfy/up/BroadcastReceiver.kt b/app/src/main/java/io/heckel/ntfy/up/BroadcastReceiver.kt
index e30f0ed..778d43a 100644
--- a/app/src/main/java/io/heckel/ntfy/up/BroadcastReceiver.kt
+++ b/app/src/main/java/io/heckel/ntfy/up/BroadcastReceiver.kt
@@ -84,7 +84,7 @@ class BroadcastReceiver : android.content.BroadcastReceiver() {
                     topic = topic,
                     instant = true, // No Firebase, always instant!
                     dedicatedChannels = false,
-                    mutedUntil = 0,
+                    mutedUntil = Repository.MUTED_UNTIL_FOREVER,
                     minPriority = Repository.MIN_PRIORITY_USE_GLOBAL,
                     autoDelete = Repository.AUTO_DELETE_USE_GLOBAL,
                     insistent = Repository.INSISTENT_MAX_PRIORITY_USE_GLOBAL,
diff --git a/app/src/main/res/layout/activity_detail.xml b/app/src/main/res/layout/activity_detail.xml
index 67a2df3..e8548a9 100644
--- a/app/src/main/res/layout/activity_detail.xml
+++ b/app/src/main/res/layout/activity_detail.xml
@@ -26,51 +26,4 @@
                 app:layoutManager="LinearLayoutManager"/>
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
-    <LinearLayout
-            android:orientation="vertical"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:id="@+id/detail_no_notifications" app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintTop_toTopOf="parent" app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintEnd_toEndOf="parent">
-        <ImageView
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content" app:srcCompat="@drawable/ic_sms_gray_48dp"
-                android:id="@+id/detail_no_notifications_image"/>
-        <TextView
-                android:id="@+id/detail_no_notifications_text"
-                android:text="@string/detail_no_notifications_text"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:textAppearance="@style/TextAppearance.AppCompat.Medium"
-                android:padding="10dp" android:gravity="center_horizontal"
-                android:paddingStart="50dp" android:paddingEnd="50dp"/>
-        <TextView
-                android:text="@string/detail_how_to_intro"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:id="@+id/detail_how_to_intro"
-                android:layout_marginTop="20dp"
-                android:layout_marginStart="50dp"
-                android:layout_marginEnd="50dp"/>
-        <TextView
-                android:text="@string/detail_how_to_example"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:id="@+id/detail_how_to_example"
-                android:layout_marginTop="7dp"
-                android:layout_marginStart="50dp"
-                android:layout_marginEnd="50dp"/>
-        <TextView
-                android:text="@string/detail_how_to_link"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:id="@+id/detail_how_to_link"
-                android:layout_marginTop="7dp"
-                android:layout_marginStart="50dp"
-                android:layout_marginEnd="50dp"
-                android:linksClickable="true"
-                android:autoLink="web"/>
-    </LinearLayout>
-
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/values-night/styles.xml b/app/src/main/res/values-night/styles.xml
index 6733324..565fd3c 100644
--- a/app/src/main/res/values-night/styles.xml
+++ b/app/src/main/res/values-night/styles.xml
@@ -10,7 +10,7 @@
         - https://developer.android.com/guide/topics/ui/look-and-feel/themes
    -->
 
-    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <item name="colorPrimary">@color/e_accent_dark</item>
         <item name="colorAccent">@color/e_accent_dark</item> <!-- checkboxes, text fields -->
         <item name="android:colorBackground">@color/black_900</item> <!-- background -->
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index c213f1c..cd0bd98 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -1,6 +1,6 @@
 <resources>
     <!-- Main app theme; dark theme styles see values-night/styles.xml -->
-    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="AppTheme" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <item name="colorPrimary">@color/e_accent_light</item>
         <item name="colorAccent">@color/e_accent_light</item> <!-- checkboxes, text fields -->
         <item name="android:colorBackground">@color/white</item> <!-- background -->