Update GraphQL document

Author: github-actions[bot]

example/github/scalars.md

@@ -62,7 +62,7 @@ When calling the GraphQL API, you must specify nested subfields until you return
 
 ### ID
 
-<p>The <code>ID</code> scalar type represents a unique identifier, often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as &ldquo;4&rdquo;) or integer (such as 4) input value will be accepted as an ID.</p>
+<p>The <code>ID</code> scalar type represents a unique identifier, often used to refetch an object or as key for a cache. The ID type appears in a JSON response as a String; however, it is not intended to be human-readable. When expected as an input type, any string (such as <code>&quot;4&quot;</code>) or integer (such as <code>4</code>) input value will be accepted as an ID.</p>
 
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@@ -80,7 +80,7 @@ When calling the GraphQL API, you must specify nested subfields until you return
 
 ### String
 
-<p>The <code>String</code>scalar type represents textual data, represented as UTF-8 character sequences. The String type is most often used by GraphQL to represent free-form human-readable text.</p>
+<p>The <code>String</code> scalar type represents textual data, represented as UTF-8 character sequences. The String type is most often used by GraphQL to represent free-form human-readable text.</p>
 
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