doc: words

README.md

@@ -1,6 +1,11 @@
 # ezapt
 
-Simple utility to generate a valid APT distribution.
+A simple utility to generate a valid APT distribution.
+
+`ezapt` combines the functionality of `dpkg-scanpackages`, `apt-ftparchive`,
+`gpg`, and the required glue and scripting to tie them together, with
+additional functionality to add new packages and remove outdated ones
+automatically.
 
 ## Usage