diff --git a/55.md b/55.md
index 1f7972b9..005e4f96 100644
--- a/55.md
+++ b/55.md
@@ -78,6 +78,12 @@ If you are sending multiple intents without awaiting you can add some intent fla
 intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP or Intent.FLAG_ACTIVITY_CLEAR_TOP)
 ```
 
+If you are developing a signer application them you need to add this to your AndroidManifest.xml so clients can use the intent flags above
+
+```kotlin
+android:launchMode="singleTop"
+```
+
 Send the Intent:
 
 ```kotlin