Replace "Will throw" with "Throws" in docs

Co-authored-by: ChALkeR <291301+ChALkeR@users.noreply.github.com>

Author: Copilot

README.md

@@ -244,7 +244,7 @@ those alias to `new TextDecoder('windows-1252')`.
 
 Encode a string to `iso-8859-1` bytes.
 
-Will throw on non well-formed strings or any codepoints which could not be encoded in `iso-8859-1`.
+Throws on non well-formed strings or any codepoints which could not be encoded in `iso-8859-1`.
 
 Same as:
 ```js
@@ -266,7 +266,7 @@ const windows1252toString = createSinglebyteDecoder('windows-1252')
 
 Encode a string to `windows-1252` bytes.
 
-Will throw on non well-formed strings or any codepoints which could not be encoded in `windows-1252`.
+Throws on non well-formed strings or any codepoints which could not be encoded in `windows-1252`.
 
 Same as:
 ```js

single-byte.d.ts

@@ -100,7 +100,7 @@ export const latin1toString: (arr: Uint8ArrayBuffer) => string;
 /**
  * Encode a string to `iso-8859-1` bytes.
  *
- * Will throw on non well-formed strings or any codepoints which could not be encoded in `iso-8859-1`.
+ * Throws on non well-formed strings or any codepoints which could not be encoded in `iso-8859-1`.
  *
  * Same as:
  * ```js
@@ -130,7 +130,7 @@ export const windows1252toString: (arr: Uint8ArrayBuffer) => string;
 /**
  * Encode a string to `windows-1252` bytes.
  *
- * Will throw on non well-formed strings or any codepoints which could not be encoded in `windows-1252`.
+ * Throws on non well-formed strings or any codepoints which could not be encoded in `windows-1252`.
  *
  * Same as:
  * ```js