Update comments to match correct ES2015 chapter

test/intl402/13.3.1_L15.js

@@ -4,8 +4,8 @@
 /*---
 es5id: 13.3.1_L15
 description: >
-    Tests that Date.prototype.toLocaleString  meets the requirements
-    for built-in objects defined by the introduction of  chapter 15 of
+    Tests that Date.prototype.toLocaleString meets the requirements
+    for built-in objects defined by the introduction of chapter 17 of
     the ECMAScript Language Specification.
 author: Norbert Lindenberg
 includes: [testBuiltInObject.js]

test/intl402/13.3.2_L15.js

@@ -4,9 +4,9 @@
 /*---
 es5id: 13.3.2_L15
 description: >
-    Tests that Date.prototype.toLocaleDateString  meets the
+    Tests that Date.prototype.toLocaleDateString meets the
     requirements for built-in objects defined by the introduction of
-    chapter 15 of the ECMAScript Language Specification.
+    chapter 17 of the ECMAScript Language Specification.
 author: Norbert Lindenberg
 includes: [testBuiltInObject.js]
 ---*/

test/intl402/13.3.3_L15.js

@@ -4,9 +4,9 @@
 /*---
 es5id: 13.3.3_L15
 description: >
-    Tests that Date.prototype.toLocaleTimeString  meets the
+    Tests that Date.prototype.toLocaleTimeString meets the
     requirements for built-in objects defined by the introduction of
-    chapter 15 of the ECMAScript Language Specification.
+    chapter 17 of the ECMAScript Language Specification.
 author: Norbert Lindenberg
 includes: [testBuiltInObject.js]
 ---*/

test/intl402/8.0_L15.js

@@ -4,8 +4,8 @@
 /*---
 es5id: 8.0_L15
 description: >
-    Tests that Intl  meets the requirements for built-in objects
-    defined by the introduction of  chapter 15 of the ECMAScript
+    Tests that Intl meets the requirements for built-in objects
+    defined by the introduction of chapter 17 of the ECMAScript
     Language Specification.
 author: Norbert Lindenberg
 includes: