diff --git a/app-sample/src/main/java/io/noties/markwon/app/sample/ui/SampleListFragment.kt b/app-sample/src/main/java/io/noties/markwon/app/sample/ui/SampleListFragment.kt
index b9a753db..cfd8296c 100644
--- a/app-sample/src/main/java/io/noties/markwon/app/sample/ui/SampleListFragment.kt
+++ b/app-sample/src/main/java/io/noties/markwon/app/sample/ui/SampleListFragment.kt
@@ -276,6 +276,9 @@ class SampleListFragment : Fragment() {
             is UpdateUtils.Result.UpdateAvailable -> {
                 val md = """
                     ## Update available
+                    
+                    ${BuildConfig.GIT_SHA} -> **${result.revision}**
+                    
                     Would you like to download it?
                 """.trimIndent()
                 builder.setMessage(markwon.toMarkdown(md))
@@ -289,7 +292,7 @@ class SampleListFragment : Fragment() {
             is UpdateUtils.Result.NoUpdate -> {
                 val md = """
                     ## No update
-                    You are using latest version (${BuildConfig.GIT_SHA})
+                    You are using latest version (**${BuildConfig.GIT_SHA}**)
                 """.trimIndent()
                 builder.setMessage(markwon.toMarkdown(md))
                 builder.setPositiveButton(android.R.string.ok, null)
diff --git a/app-sample/src/main/java/io/noties/markwon/app/utils/UpdateUtils.kt b/app-sample/src/main/java/io/noties/markwon/app/utils/UpdateUtils.kt
index d9a225e8..03a03d0f 100644
--- a/app-sample/src/main/java/io/noties/markwon/app/utils/UpdateUtils.kt
+++ b/app-sample/src/main/java/io/noties/markwon/app/utils/UpdateUtils.kt
@@ -12,7 +12,7 @@ import java.io.IOException
 object UpdateUtils {
 
     sealed class Result {
-        class UpdateAvailable(val url: String) : Result()
+        class UpdateAvailable(val revision: String, val url: String) : Result()
         object NoUpdate : Result()
         class Error(val throwable: Throwable) : Result()
     }
@@ -34,10 +34,11 @@ object UpdateUtils {
 
                         override fun onResponse(call: Call, response: Response) {
                             try {
-                                val revision = response.body()?.string()
+                                val revision = response.body()?.string()?.trim()
                                 val hasUpdate = revision != null && BuildConfig.GIT_SHA != revision
                                 if (hasUpdate) {
-                                    action?.invoke(Result.UpdateAvailable(apkUrl))
+                                    // revision is guarded by `hasUpdate` (includes null check)
+                                    action?.invoke(Result.UpdateAvailable(revision!!, apkUrl))
                                 } else {
                                     action?.invoke(Result.NoUpdate)
                                 }