Fixing typo

Change-Id: I4af21f9a88a81d858340e6a1dced8f7fd56b2077
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 18b3e99..9921b50 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -491,7 +491,7 @@
       - bool:
           name: inMemoryEtcdStorage
           default: '{inMemoryEtcdStorage}'
-          description: 'Wether to write ETCD keys on disk or keep them in memory (true=inMemory)'
+          description: 'Whether to write ETCD keys on disk or keep them in memory (true=inMemory)'
 
     project-type: pipeline
     concurrent: false