diff --git a/endpoint/yealinkv70/t2x/line_keys_28.json b/endpoint/yealinkv70/t2x/line_keys_28.json
index 03c4b99b..19721536 100644
--- a/endpoint/yealinkv70/t2x/line_keys_28.json
+++ b/endpoint/yealinkv70/t2x/line_keys_28.json
@@ -8,10 +8,10 @@
             "name":"basic",
             "item":[
               {
-                "description":"Line Keys (1-6)”,
+                "description":"Line Keys (1-6)",
                 "type":"loop",
                 "loop_start":"1",
-                "loop_end”:”6”,
+                "loop_end":"6",
                 "data":{
                   "item":[
                     {