Update etcd-version.yaml

technologies/kubernetes/etcd/etcd-version.yaml

@@ -4,8 +4,9 @@ info:
   name: Etcd Version - Detect
   author: pussycat0x
   severity: info
-  description: |
-     Detect Etcd version.
+  description: Template detects Etcd version.
+  reference:
+    - https://etcd.io/
   metadata:
     verified: "true"
     shodan-query: product:"etcd"