fixing typo in onos-release

Change-Id: I7cad57f75ff1a782ac88c72bc5a1c95df1338989
diff --git a/tools/build/onos-release b/tools/build/onos-release
index 1546fb2..e714101 100755
--- a/tools/build/onos-release
+++ b/tools/build/onos-release
@@ -28,7 +28,7 @@
 
 # Build ONOS archetypes & deploy to staging repo using the release profile.
 # Note that release of the staging repository is a separate manual step.
-cd tools/package/archetype
+cd tools/package/archetypes/
 mvn clean install && onos-archetypes-test && mvn -Prelease clean deploy
 
 # Commit newly versioned artifacts and issue a tag.