Updated README.md (#1694)

Co-authored-by: repo-ranger[bot] <repo-ranger[bot]@users.noreply.github.com>

README.md

@@ -397,6 +397,7 @@ Support this project with a :star:
 |                   <a name="input_files_yaml_from_source_file_separator"></a>[files\_yaml\_from\_source\_file\_separator](#input_files_yaml_from_source_file_separator)                   | string |  false   |          `"\n"`           |                                                                                                     Separator used to split the <br>`files_yaml_from_source_file` input                                                                                                      |
 |                         <a name="input_include_all_old_new_renamed_files"></a>[include\_all\_old\_new\_renamed\_files](#input_include_all_old_new_renamed_files)                         | string |  false   |         `"false"`         |                                                       Include `all_old_new_renamed_files` output. Note this <br>can generate a large output <br>See: [#501](https://github.com/tj-actions/changed-files/issues/501).                                                         |
 |                                                                    <a name="input_json"></a>[json](#input_json)                                                                     | string |  false   |         `"false"`         |                                  Output list of changed files <br>in a JSON formatted string <br>which can be used for <br>matrix jobs. [Example](https://github.com/tj-actions/changed-files/blob/main/.github/workflows/matrix-test.yml)                                   |
+|                                        <a name="input_negation_patterns_first"></a>[negation\_patterns\_first](#input_negation_patterns_first)                                        | string |  false   |         `"false"`         |                                                                                      Apply the negation patterns first. <br>**NOTE:** This affects how changed <br>files are matched.                                                                                        |
 |                                        <a name="input_old_new_files_separator"></a>[old\_new\_files\_separator](#input_old_new_files_separator)                                        | string |  false   |           `" "`           |                                                                                                         Split character for old and <br>new renamed filename pairs.                                                                                                          |
 |                                                 <a name="input_old_new_separator"></a>[old\_new\_separator](#input_old_new_separator)                                                 | string |  false   |           `","`           |                                                                                                             Split character for old and <br>new filename pairs.                                                                                                              |
 |                                                           <a name="input_output_dir"></a>[output\_dir](#input_output_dir)                                                            | string |  false   |    `".github/outputs"`    |                                                                                                                       Directory to store output files.                                                                                                                       |