diff --git a/README.md b/README.md
index 30d5948..5b5017b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Build Debian package Github Action
 
-An action that builds a Debian package from source.
+An action that builds a Debian package from source in a Docker container.
 
 ## Usage