style: consistent spacing

Author: saihaj

src/language/parser.ts

@@ -89,11 +89,11 @@ export interface ParseOptions {
    * `variableDefinitions` field of the FragmentDefinitionNode.
    *
    * The syntax is identical to normal, query-defined variables.
-   *```graphql
-   * fragment A($var: Boolean = false) on T  {
+   * ```graphql
+   * fragment A($var: Boolean = false) on T {
    *   ...
    * }
-   *```
+   * ```
    */
   allowLegacyFragmentVariables?: boolean;
 }