diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 0f7d5dfe1..fe1b002d5 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -6230,13 +6230,13 @@ interface CSSStyleProperties extends CSSStyleDeclarationBase {
      */
     animationRange: string;
     /**
-     * The animation-range-end CSS property is used to set the end of an animation's attachment range along its timeline, i.e., where along the timeline an animation will end.
+     * The animation-range-end CSS property sets the point on the timeline where an animation should end.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-end)
      */
     animationRangeEnd: string;
     /**
-     * The animation-range-start CSS property is used to set the start of an animation's attachment range along its timeline, i.e., where along the timeline an animation will start.
+     * The animation-range-start CSS property sets the point on the timeline where an animation should start.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-start)
      */
@@ -8346,7 +8346,7 @@ interface CSSStyleProperties extends CSSStyleDeclarationBase {
      */
     scrollTimeline: string;
     /**
-     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation animation, which is progressed through by scrolling a scrollable element (scroller).
+     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation, which is progressed through by scrolling a scrollable element (scroller).
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-timeline-axis)
      */
@@ -13357,7 +13357,7 @@ interface Element extends Node, ARIAMixin, Animatable, ChildNode, NonDocumentTyp
      */
     setAttribute(qualifiedName: string, value: string): void;
     /**
-     * **`setAttributeNS`** adds a new attribute or changes the value of an attribute with the given namespace and name.
+     * If you are working with HTML documents and you don't need to specify the requested attribute as being part of a specific namespace, use the setAttribute() method instead.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setAttributeNS)
      */
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
index ac5f82cb9..c71d8360c 100644
--- a/baselines/ts5.5/dom.generated.d.ts
+++ b/baselines/ts5.5/dom.generated.d.ts
@@ -6220,13 +6220,13 @@ interface CSSStyleProperties extends CSSStyleDeclarationBase {
      */
     animationRange: string;
     /**
-     * The animation-range-end CSS property is used to set the end of an animation's attachment range along its timeline, i.e., where along the timeline an animation will end.
+     * The animation-range-end CSS property sets the point on the timeline where an animation should end.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-end)
      */
     animationRangeEnd: string;
     /**
-     * The animation-range-start CSS property is used to set the start of an animation's attachment range along its timeline, i.e., where along the timeline an animation will start.
+     * The animation-range-start CSS property sets the point on the timeline where an animation should start.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-start)
      */
@@ -8336,7 +8336,7 @@ interface CSSStyleProperties extends CSSStyleDeclarationBase {
      */
     scrollTimeline: string;
     /**
-     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation animation, which is progressed through by scrolling a scrollable element (scroller).
+     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation, which is progressed through by scrolling a scrollable element (scroller).
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-timeline-axis)
      */
@@ -13344,7 +13344,7 @@ interface Element extends Node, ARIAMixin, Animatable, ChildNode, NonDocumentTyp
      */
     setAttribute(qualifiedName: string, value: string): void;
     /**
-     * **`setAttributeNS`** adds a new attribute or changes the value of an attribute with the given namespace and name.
+     * If you are working with HTML documents and you don't need to specify the requested attribute as being part of a specific namespace, use the setAttribute() method instead.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setAttributeNS)
      */
diff --git a/baselines/ts5.6/dom.generated.d.ts b/baselines/ts5.6/dom.generated.d.ts
index 5cbb4abc3..30e39cc9a 100644
--- a/baselines/ts5.6/dom.generated.d.ts
+++ b/baselines/ts5.6/dom.generated.d.ts
@@ -6227,13 +6227,13 @@ interface CSSStyleProperties extends CSSStyleDeclarationBase {
      */
     animationRange: string;
     /**
-     * The animation-range-end CSS property is used to set the end of an animation's attachment range along its timeline, i.e., where along the timeline an animation will end.
+     * The animation-range-end CSS property sets the point on the timeline where an animation should end.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-end)
      */
     animationRangeEnd: string;
     /**
-     * The animation-range-start CSS property is used to set the start of an animation's attachment range along its timeline, i.e., where along the timeline an animation will start.
+     * The animation-range-start CSS property sets the point on the timeline where an animation should start.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-start)
      */
@@ -8343,7 +8343,7 @@ interface CSSStyleProperties extends CSSStyleDeclarationBase {
      */
     scrollTimeline: string;
     /**
-     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation animation, which is progressed through by scrolling a scrollable element (scroller).
+     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation, which is progressed through by scrolling a scrollable element (scroller).
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-timeline-axis)
      */
@@ -13354,7 +13354,7 @@ interface Element extends Node, ARIAMixin, Animatable, ChildNode, NonDocumentTyp
      */
     setAttribute(qualifiedName: string, value: string): void;
     /**
-     * **`setAttributeNS`** adds a new attribute or changes the value of an attribute with the given namespace and name.
+     * If you are working with HTML documents and you don't need to specify the requested attribute as being part of a specific namespace, use the setAttribute() method instead.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setAttributeNS)
      */
diff --git a/baselines/ts5.9/dom.generated.d.ts b/baselines/ts5.9/dom.generated.d.ts
index 5d5a9014e..a8b3bbb03 100644
--- a/baselines/ts5.9/dom.generated.d.ts
+++ b/baselines/ts5.9/dom.generated.d.ts
@@ -6227,13 +6227,13 @@ interface CSSStyleProperties extends CSSStyleDeclarationBase {
      */
     animationRange: string;
     /**
-     * The animation-range-end CSS property is used to set the end of an animation's attachment range along its timeline, i.e., where along the timeline an animation will end.
+     * The animation-range-end CSS property sets the point on the timeline where an animation should end.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-end)
      */
     animationRangeEnd: string;
     /**
-     * The animation-range-start CSS property is used to set the start of an animation's attachment range along its timeline, i.e., where along the timeline an animation will start.
+     * The animation-range-start CSS property sets the point on the timeline where an animation should start.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-range-start)
      */
@@ -8343,7 +8343,7 @@ interface CSSStyleProperties extends CSSStyleDeclarationBase {
      */
     scrollTimeline: string;
     /**
-     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation animation, which is progressed through by scrolling a scrollable element (scroller).
+     * The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation, which is progressed through by scrolling a scrollable element (scroller).
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/scroll-timeline-axis)
      */
@@ -13354,7 +13354,7 @@ interface Element extends Node, ARIAMixin, Animatable, ChildNode, NonDocumentTyp
      */
     setAttribute(qualifiedName: string, value: string): void;
     /**
-     * **`setAttributeNS`** adds a new attribute or changes the value of an attribute with the given namespace and name.
+     * If you are working with HTML documents and you don't need to specify the requested attribute as being part of a specific namespace, use the setAttribute() method instead.
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/Element/setAttributeNS)
      */
diff --git a/inputfiles/mdn.json b/inputfiles/mdn.json
index 221b6f9d0..70a25122b 100644
--- a/inputfiles/mdn.json
+++ b/inputfiles/mdn.json
@@ -8322,7 +8322,7 @@
   {
     "mdn_url": "/en-US/docs/Web/API/Element/setAttribute",
     "pageType": "web-api-instance-method",
-    "summary": "The setAttribute() method of the Element interface sets the value of an attribute on the specified element. If the attribute already exists, the value is updated; otherwise a new attribute is added with the specified name and value."
+    "summary": "The setAttribute() method of the Element interface sets the value of an attribute on the specified element.\nIf the attribute already exists, the value is updated; otherwise a new attribute is added with the specified name and value."
   },
   {
     "mdn_url": "/en-US/docs/Web/API/Element/setAttributeNode",
@@ -8337,7 +8337,7 @@
   {
     "mdn_url": "/en-US/docs/Web/API/Element/setAttributeNS",
     "pageType": "web-api-instance-method",
-    "summary": "setAttributeNS adds a new attribute or changes the value of an attribute\nwith the given namespace and name."
+    "summary": "If you are working with HTML documents and you don't need to specify the requested attribute as being part of a specific namespace, use the setAttribute() method instead."
   },
   {
     "mdn_url": "/en-US/docs/Web/API/Element/setCapture",
@@ -39467,12 +39467,12 @@
   {
     "mdn_url": "/en-US/docs/Web/CSS/Reference/Properties/animation-range-end",
     "pageType": "css-property",
-    "summary": "The animation-range-end CSS property is used to set the end of an animation's attachment range along its timeline, i.e., where along the timeline an animation will end."
+    "summary": "The animation-range-end CSS property sets the point on the timeline where an animation should end."
   },
   {
     "mdn_url": "/en-US/docs/Web/CSS/Reference/Properties/animation-range-start",
     "pageType": "css-property",
-    "summary": "The animation-range-start CSS property is used to set the start of an animation's attachment range along its timeline, i.e., where along the timeline an animation will start."
+    "summary": "The animation-range-start CSS property sets the point on the timeline where an animation should start."
   },
   {
     "mdn_url": "/en-US/docs/Web/CSS/Reference/Properties/animation-timeline",
@@ -41512,7 +41512,7 @@
   {
     "mdn_url": "/en-US/docs/Web/CSS/Reference/Properties/scroll-timeline-axis",
     "pageType": "css-property",
-    "summary": "The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation animation, which is progressed through by scrolling a scrollable element (scroller)."
+    "summary": "The scroll-timeline-axis CSS property is used to specify the scrollbar direction that will be used to provide the timeline for a scroll driven animation, which is progressed through by scrolling a scrollable element (scroller)."
   },
   {
     "mdn_url": "/en-US/docs/Web/CSS/Reference/Properties/scroll-timeline-name",