fix typho

Change-Id: I4b68d776073e9744f1ef2c23d507fb6fab97fe70
diff --git a/cleanup-pipeline.groovy b/cleanup-pipeline.groovy
index 948de72..077f51c 100644
--- a/cleanup-pipeline.groovy
+++ b/cleanup-pipeline.groovy
@@ -67,7 +67,7 @@
             openstack.deleteHeatStack(openstackCloud, STACK_NAME, venv_path)
         } else if (STACK_TYPE == 'aws') {
 
-            aws.deteteStack(venv_path, env_vars, STACK_NAME)
+            aws.deleteStack(venv_path, env_vars, STACK_NAME)
             aws.waitForStatus(venv_path, evn_vars, STACK_NAME, 'DELETE_COMPLETE', ['DELETE_FAILED'])
 
         } else {