add more escape examples

Author: stevemao

docs/rules/no-unescaped-entities.md

@@ -41,8 +41,8 @@ when the closing `>` is in the wrong place.
 The preferred way to include one of these characters is to use the HTML escape code.
 
 - `>` can be replaced with `>`
-- `"` can be replaced with `"`, `“` or `”`
-- `'` can be replaced with `'`, `‘` or `’`
+- `"` can be replaced with `"`, `“`, `"` or `”`
+- `'` can be replaced with `'`, `‘`, `'` or `’`
 - `}` can be replaced with `}`
 
 Alternatively, you can include the literal character inside a subexpression