diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/src/README.md b/src/README.md
index bae298b..0dd0c53 100644
--- a/src/README.md
+++ b/src/README.md
@@ -10,9 +10,12 @@ charm.
 To use:
 
     juju deploy cinder
-    juju deploy cinder-purestorage
+    juju deploy cinder-purestorage --config driver-source="ppa:narindergupta/purestorage"
     juju add-relation cinder-purestorage cinder
 
+Until purestorage packages went into Canonical repository plese use the driver
+source from PPA narindergupta/purestorage.
+
 Configuration
 =============