Polish README a bit.
diff --git a/README b/README
index a117ca6..d407fae 100644
--- a/README
+++ b/README
@@ -1,8 +1,13 @@
This is a random number generator daemon.
-It monitors a hardware random number generator, and supplies entropy from that
-to the system /dev/random machinery.
+It monitors a hardware random number generator, and supplies entropy
+from that to the system kernel's /dev/random machinery.
+
+It is hoped that future contributions will enable entropy gathering
+from other sources, such as audio hardware or video hardware or CPU
+instruction pointers, to provide entropy even in cases where a true
+hardware RNG is not present.
Home page:
http://sourceforge.net/projects/gkernel/
