diff --git a/app/build.gradle b/app/build.gradle
index c61e284c6..6e9775862 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -47,7 +47,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:4.1.10'
+    implementation 'com.simplemobiletools:commons:4.1.11'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.7.0'
     implementation 'com.android.support:multidex:1.0.3'
     implementation 'it.sephiroth.android.exif:library:1.0.1'
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/adapters/DirectoryAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/adapters/DirectoryAdapter.kt
index 66c7e08fa..df7976a18 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/adapters/DirectoryAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/adapters/DirectoryAdapter.kt
@@ -317,8 +317,11 @@ class DirectoryAdapter(activity: BaseSimpleActivity, var dirs: ArrayList<Directo
         if (config.skipDeleteConfirmation) {
             deleteFiles()
         } else {
-            val items = resources.getQuantityString(R.plurals.delete_items, selectedPositions.size, selectedPositions.size)
-            val question = String.format(resources.getString(R.string.deletion_confirmation), items)
+            val itemsCnt = selectedPositions.size
+            val items = resources.getQuantityString(R.plurals.delete_items, itemsCnt, itemsCnt)
+            var question = String.format(resources.getString(R.string.deletion_confirmation), items)
+            val warning = resources.getQuantityString(R.plurals.delete_warning, itemsCnt, itemsCnt)
+            question += "\n\n$warning"
             ConfirmationDialog(activity, question) {
                 deleteFiles()
             }