Update managing-secret-using-config-file.md

Author: tengqm

content/en/docs/tasks/configmap-secret/managing-secret-using-config-file.md

@@ -110,7 +110,7 @@ stringData:
 ```
 
 {{< note >}}
-`stringData` for a Secret does not work well with server-side apply
+The `stringData` field for a Secret does not work well with server-side apply.
 {{< /note >}}
 
 When you retrieve the Secret data, the command returns the encoded values,
@@ -157,7 +157,7 @@ stringData:
 ```
 
 {{< note >}}
-`stringData` for a Secret does not work well with server-side apply
+The `stringData` field for a Secret does not work well with server-side apply.
 {{< /note >}}
 
 The `Secret` object is created as follows: