diff --git a/src/language/parser.ts b/src/language/parser.ts
index 211dde5e003..f97f093aa28 100644
--- a/src/language/parser.ts
+++ b/src/language/parser.ts
@@ -203,7 +203,9 @@ export class Parser {
   // Implements the parsing rules in the Document section.
 
   /**
+   * ```
    * Document : Definition+
+   * ```
    */
   parseDocument(): DocumentNode {
     return this.node<DocumentNode>(this._lexer.token, {
@@ -217,6 +219,7 @@ export class Parser {
   }
 
   /**
+   * ```
    * Definition :
    *   - ExecutableDefinition
    *   - TypeSystemDefinition
@@ -225,6 +228,7 @@ export class Parser {
    * ExecutableDefinition :
    *   - OperationDefinition
    *   - FragmentDefinition
+   * ```
    */
   parseDefinition(): DefinitionNode {
     if (this.peek(TokenKind.NAME)) {
@@ -259,9 +263,11 @@ export class Parser {
   // Implements the parsing rules in the Operations section.
 
   /**
+   * ```
    * OperationDefinition :
    *  - SelectionSet
    *  - OperationType Name? VariableDefinitions? Directives? SelectionSet
+   * ```
    */
   parseOperationDefinition(): OperationDefinitionNode {
     const start = this._lexer.token;
@@ -291,7 +297,9 @@ export class Parser {
   }
 
   /**
+   * ```
    * OperationType : one of query mutation subscription
+   * ```
    */
   parseOperationType(): OperationTypeNode {
     const operationToken = this.expectToken(TokenKind.NAME);
@@ -308,7 +316,9 @@ export class Parser {
   }
 
   /**
+   * ```
    * VariableDefinitions : ( VariableDefinition+ )
+   * ```
    */
   parseVariableDefinitions(): Array<VariableDefinitionNode> {
     return this.optionalMany(
@@ -319,7 +329,9 @@ export class Parser {
   }
 
   /**
+   * ```
    * VariableDefinition : Variable : Type DefaultValue? Directives[Const]?
+   * ```
    */
   parseVariableDefinition(): VariableDefinitionNode {
     return this.node<VariableDefinitionNode>(this._lexer.token, {
@@ -346,7 +358,9 @@ export class Parser {
   }
 
   /**
-   * SelectionSet : `{ Selection+ }`
+   * ```
+   * SelectionSet : { Selection+ }
+   * ```
    */
   parseSelectionSet(): SelectionSetNode {
     return this.node<SelectionSetNode>(this._lexer.token, {
@@ -616,9 +630,11 @@ export class Parser {
   }
 
   /**
+   * ```
    * ObjectValue[Const] :
-   *   - `{ }`
-   *   - `{ ObjectField[?Const]+ }`
+   *   - { }
+   *   - { ObjectField[?Const]+ }
+   * ```
    */
   parseObject(isConst: true): ConstObjectValueNode;
   parseObject(isConst: boolean): ObjectValueNode;
@@ -666,7 +682,9 @@ export class Parser {
   }
 
   /**
-   * Directive[Const] : `@ Name Arguments[?Const]?`
+   * ```
+   * Directive[Const] : @ Name Arguments[?Const]?
+   * ```
    */
   parseDirective(isConst: true): ConstDirectiveNode;
   parseDirective(isConst: boolean): DirectiveNode;
@@ -782,7 +800,9 @@ export class Parser {
   }
 
   /**
-   * SchemaDefinition : `Description? schema Directives[Const]? { OperationTypeDefinition+ }`
+   * ```
+   * SchemaDefinition : Description? schema Directives[Const]? { OperationTypeDefinition+ }
+   * ```
    */
   parseSchemaDefinition(): SchemaDefinitionNode {
     const start = this._lexer.token;
@@ -869,7 +889,9 @@ export class Parser {
   }
 
   /**
-   * FieldsDefinition : `{ FieldDefinition+ }`
+   * ```
+   * FieldsDefinition : { FieldDefinition+ }
+   * ```
    */
   parseFieldsDefinition(): Array<FieldDefinitionNode> {
     return this.optionalMany(
@@ -1011,7 +1033,9 @@ export class Parser {
   }
 
   /**
-   * EnumValuesDefinition : `{ EnumValueDefinition+ }`
+   * ```
+   * EnumValuesDefinition : { EnumValueDefinition+ }
+   * ```
    */
   parseEnumValuesDefinition(): Array<EnumValueDefinitionNode> {
     return this.optionalMany(
@@ -1060,7 +1084,9 @@ export class Parser {
   }
 
   /**
-   * InputFieldsDefinition : `{ InputValueDefinition+ }`
+   * ```
+   * InputFieldsDefinition : { InputValueDefinition+ }
+   * ```
    */
   parseInputFieldsDefinition(): Array<InputValueDefinitionNode> {
     return this.optionalMany(
@@ -1109,9 +1135,11 @@ export class Parser {
   }
 
   /**
+   * ```
    * SchemaExtension :
-   *  - `extend schema Directives[Const]? { OperationTypeDefinition+ }`
-   *  - `extend schema Directives[Const]`
+   *  - extend schema Directives[Const]? { OperationTypeDefinition+ }
+   *  - extend schema Directives[Const]
+   * ```
    */
   parseSchemaExtension(): SchemaExtensionNode {
     const start = this._lexer.token;
@@ -1283,8 +1311,10 @@ export class Parser {
   }
 
   /**
+   * ```
    * DirectiveDefinition :
-   *   - `Description? directive @ Name ArgumentsDefinition? `repeatable`? on DirectiveLocations`
+   *   - Description? directive @ Name ArgumentsDefinition? `repeatable`? on DirectiveLocations
+   * ```
    */
   parseDirectiveDefinition(): DirectiveDefinitionNode {
     const start = this._lexer.token;