diff --git a/src/lib/es2015.core.d.ts b/src/lib/es2015.core.d.ts
index b202f3e01decd..18c31568d1b48 100644
--- a/src/lib/es2015.core.d.ts
+++ b/src/lib/es2015.core.d.ts
@@ -23,7 +23,7 @@ interface Array<T> {
     findIndex(predicate: (value: T, index: number, obj: T[]) => unknown, thisArg?: any): number;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
diff --git a/src/lib/es2020.bigint.d.ts b/src/lib/es2020.bigint.d.ts
index 31844087eb425..659fa1a428775 100644
--- a/src/lib/es2020.bigint.d.ts
+++ b/src/lib/es2020.bigint.d.ts
@@ -164,7 +164,7 @@ interface BigInt64Array {
     every(predicate: (value: bigint, index: number, array: BigInt64Array) => boolean, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -436,7 +436,7 @@ interface BigUint64Array {
     every(predicate: (value: bigint, index: number, array: BigUint64Array) => boolean, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
diff --git a/src/lib/es5.d.ts b/src/lib/es5.d.ts
index bfa5241a84d94..461d98977730d 100644
--- a/src/lib/es5.d.ts
+++ b/src/lib/es5.d.ts
@@ -1776,7 +1776,7 @@ interface Int8Array {
     every(predicate: (value: number, index: number, array: Int8Array) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -2058,7 +2058,7 @@ interface Uint8Array {
     every(predicate: (value: number, index: number, array: Uint8Array) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -2340,7 +2340,7 @@ interface Uint8ClampedArray {
     every(predicate: (value: number, index: number, array: Uint8ClampedArray) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -2621,7 +2621,7 @@ interface Int16Array {
     every(predicate: (value: number, index: number, array: Int16Array) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -2903,7 +2903,7 @@ interface Uint16Array {
     every(predicate: (value: number, index: number, array: Uint16Array) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -3185,7 +3185,7 @@ interface Int32Array {
     every(predicate: (value: number, index: number, array: Int32Array) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -3467,7 +3467,7 @@ interface Uint32Array {
     every(predicate: (value: number, index: number, array: Uint32Array) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -3748,7 +3748,7 @@ interface Float32Array {
     every(predicate: (value: number, index: number, array: Float32Array) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.
@@ -4031,7 +4031,7 @@ interface Float64Array {
     every(predicate: (value: number, index: number, array: Float64Array) => unknown, thisArg?: any): boolean;
 
     /**
-     * Returns the this object after filling the section identified by start and end with value
+     * Changes all array elements from `start` to `end` index to a static `value` and returns the modified array
      * @param value value to fill array section with
      * @param start index to start filling the array at. If start is negative, it is treated as
      * length+start where length is the length of the array.