diff --git a/app/build.gradle b/app/build.gradle
index 17972f1..81762c3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.hossainkhan.android.constraintlayout"
         minSdkVersion rootProject.ext.androidMinSdkVersion
         targetSdkVersion rootProject.ext.androidTargetSdkVersion
-        versionCode 200
-        versionName "2.0-constraint-layout-demo"
+        versionCode 210
+        versionName "2.1-constraint-layout-demo"
         versionNameSuffix "-${gitSha()}"
 
         buildConfigField "String", "GIT_SHA", "\"${gitSha()}\""
diff --git a/app/src/main/java/com/hossainkhan/android/demo/data/ResourceInfo.kt b/app/src/main/java/com/hossainkhan/android/demo/data/ResourceInfo.kt
index a09ed0b..b2e2aff 100644
--- a/app/src/main/java/com/hossainkhan/android/demo/data/ResourceInfo.kt
+++ b/app/src/main/java/com/hossainkhan/android/demo/data/ResourceInfo.kt
@@ -22,7 +22,7 @@ import java.util.Date
 
 
 /**
- * External resource info.
+ * External resource info like Youtube video or technical articles online.
  *
  * Example:
  * - author: Nicolas Roard & John Hoford
@@ -52,7 +52,8 @@ data class ResourceInfo(
             return FirestoreDateFormatter.date(date)
         }
 
-    val isYouTubeUrl: Boolean = url.contains("youtube.com/watch?v=", ignoreCase = true)
+    val isYouTubeUrl: Boolean
+        get() = url.contains("youtube.com/watch?v=", ignoreCase = true)
 
     /**
      * Provides [Uri] for directly invoking youtube app via Android Intent.