diff --git a/README.md b/README.md
index 0b6fe40..88de3c7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Sample WebXDC Content Pack for ButterBox
 
-This is a sample content pack for use with ButterBox devices.
+This is a sample content pack for use with ButterBox devices and the DeltaChat apps.
 
 ## Content Sources