diff --git a/exercise.sh b/exercise.sh
index 85f404a..36a6d6f 100755
--- a/exercise.sh
+++ b/exercise.sh
@@ -147,3 +147,9 @@
 
 # FIXME: validate shutdown within 5 seconds
 # (nova show $NAME returns 1 or status != ACTIVE)?
+
+# Testing Euca2ools
+# ==================
+
+# make sure that we can describe instances
+euca-describe-instances