Grammar fix in TextDecoder (#24348)

files/en-us/web/api/textdecoder/decode/index.md

@@ -28,13 +28,13 @@ decode(buffer, options)
 ### Parameters
 
 - `buffer` {{Optional_Inline}}
-  - : Is an [`ArrayBuffer`](/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer), a {{jsxref("TypedArray")}} or a {{jsxref("DataView")}} object containing the encoded text to decode.
+  - : An [`ArrayBuffer`](/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer), a {{jsxref("TypedArray")}}, or a {{jsxref("DataView")}} object containing the encoded text to decode.
 - `options` {{Optional_Inline}}
 
   - : An object with the property:
 
     - `stream`
-      - : A boolean flag indicating that additional data will follow in subsequent calls to `decode()`.
+      - : A boolean flag indicating whether additional data will follow in subsequent calls to `decode()`.
         Set to `true` if processing the data in chunks, and `false` for the final chunk or if the data is not chunked.
         It defaults to `false`.
 

files/en-us/web/api/textdecoder/encoding/index.md

@@ -53,23 +53,23 @@ A lower-cased ASCII string, which can be one of the following values:
   ['x-mac-cyrillic'](https://en.wikipedia.org/wiki/Macintosh_Cyrillic_encoding).
 - The legacy multi-byte Chinese (simplified) encodings:
   ['gbk'](https://en.wikipedia.org/wiki/GBK),
-  ['gb18030'](https://en.wikipedia.org/wiki/GB_18030)
+  ['gb18030'](https://en.wikipedia.org/wiki/GB_18030).
 - The legacy multi-byte Chinese (traditional) encoding:
   ['big5'](https://en.wikipedia.org/wiki/Big5).
 - The legacy multi-byte Japanese encodings:
   ['euc-jp'](https://en.wikipedia.org/wiki/Extended_Unix_Code#EUC-JP),
   ['iso-2022-jp'](https://en.wikipedia.org/wiki/ISO/IEC_2022#ISO-2022-JP),
   ['shift-jis'](https://en.wikipedia.org/wiki/Shift_JIS).
 - The legacy multi-byte Korean encodings:
-  ['euc-kr'](https://en.wikipedia.org/wiki/Extended_Unix_Code#EUC-KR)
+  ['euc-kr'](https://en.wikipedia.org/wiki/Extended_Unix_Code#EUC-KR).
 - The legacy miscellaneous encodings:
   ['utf-16be'](https://en.wikipedia.org/wiki/UTF-16#Byte_order_encoding_schemes),
   ['utf-16le'](https://en.wikipedia.org/wiki/UTF-16#Byte_order_encoding_schemes),
   `'x-user-defined'`.
 - A special encoding, `'replacement'`.
   This decodes empty input into empty output and any other arbitrary-length input into a single replacement character.
   It is used to prevent attacks that mismatch encodings between the client and server.
-  The following encodings also map to the replacement encoding: `ISO-2022-CN`, `ISO-2022-CN-ext`, ['iso-2022-kr'](https://en.wikipedia.org/wiki/ISO/IEC_2022#ISO-2022-KR) and ['hz-gb-2312'](<https://en.wikipedia.org/wiki/HZ_(character_encoding)>).
+  The following encodings also map to the replacement encoding: `ISO-2022-CN`, `ISO-2022-CN-ext`, ['iso-2022-kr'](https://en.wikipedia.org/wiki/ISO/IEC_2022#ISO-2022-KR), and ['hz-gb-2312'](<https://en.wikipedia.org/wiki/HZ_(character_encoding)>).
 
 ## Specifications
 

files/en-us/web/api/textdecoder/fatal/index.md

@@ -15,14 +15,14 @@ browser-compat: api.TextDecoder.fatal
 
 The **`fatal`** read-only property of the {{domxref("TextDecoder")}} interface is a {{jsxref('Boolean')}} indicating whether the error mode is fatal.
 
-If the property is `true` then a decoder will throw a {{jsxref("TypeError")}} if it encounters malformed data while decoding.
-If `false` the decoder will substitute the invalid data with the replacement character `U+FFFD` (�).
+If the property is `true`, then a decoder will throw a {{jsxref("TypeError")}} if it encounters malformed data while decoding.
+If `false`, the decoder will substitute the invalid data with the replacement character `U+FFFD` (�).
 The value of the property is set in the [`TextDecoder()` constructor](/en-US/docs/Web/API/TextDecoder/TextDecoder).
 
 ## Value
 
-A {{jsxref("boolean")}} which will return `true` if the error mode is set to `fatal`.
-Otherwise it returns `false`, indicating that the error mode is "replacement".
+A boolean which will be `true` if the error mode is set to `fatal`.
+Otherwise, it will be `false`, indicating that the error mode is `replacement`.
 
 ## Specifications
 

files/en-us/web/api/textdecoder/ignorebom/index.md

@@ -17,7 +17,7 @@ The **`ignoreBOM`** read-only property of the {{domxref("TextDecoder")}} interfa
 
 ## Value
 
-`true` if the byte order mark is ignored; `false` otherwise.
+`true` if the [byte order mark](https://www.w3.org/International/questions/qa-byte-order-mark) is ignored; `false` otherwise.
 
 ## Specifications
 

files/en-us/web/api/textdecoder/index.md

@@ -28,7 +28,7 @@ The **`TextDecoder`** interface represents a decoder for a specific text encodin
 _The `TextDecoder` interface doesn't inherit any properties._
 
 - {{DOMxRef("TextDecoder.encoding")}} {{ReadOnlyInline}}
-  - : A string containing the name of the decoder, that is a string describing the method the `TextDecoder` will use.
+  - : A string containing the name of the decoder, which is a string describing the method the `TextDecoder` will use.
 - {{DOMxRef("TextDecoder.fatal")}} {{ReadOnlyInline}}
   - : A {{jsxref('Boolean')}} indicating whether the error mode is fatal.
 - {{DOMxRef("TextDecoder.ignoreBOM")}} {{ReadOnlyInline}}
@@ -86,5 +86,5 @@ console.log(win1251decoder.decode(bytes)); // Привет, мир!
 ## See also
 
 - The {{DOMxRef("TextEncoder")}} interface describing the inverse operation.
-- A [shim](https://github.com/inexorabletash/text-encoding) allowing to use this interface in browsers that don't support it.
+- A [shim](https://github.com/inexorabletash/text-encoding) allowing to use this interface in browsers that do not support it.
 - [Node.js supports global export from v11.0.0](https://nodejs.org/api/util.html#util_class_util_textdecoder)