Update READMEs to included instructions about blip make extra.

[tinyos-2.x.git] / apps / Null / README.txt

diff --git a/apps/Null/README.txt b/apps/Null/README.txt
index 03d9afad849bccb1498e90dc67bd2c080bbeb17c..513e9c14831100f53c72a58e5ca6683d8f75c39e 100644 (file)
--- a/apps/Null/README.txt
+++ b/apps/Null/README.txt
@@ -8,7 +8,9 @@ Description:
 
 Null is an empty skeleton application.  It is useful to test that the
 build environment is functional in its most minimal sense, i.e., you
-can correctly compile an application.
+can correctly compile an application. It is also useful to test the
+minimum power consumption of a node when it has absolutely no 
+interrupts or resources active.
 
 Tools: