Fix typo in README.md

Author: MrChoclate

README.md

@@ -63,7 +63,7 @@ Reporter options should also be strings exception for suiteNameTemplate, classNa
 | `JEST_JUNIT_OUTPUT_DIR` | `outputDirectory` | Directory to save the output. Relative path outside of project root (e.g. in monorepos) has to be prefixed with `<rootDir>` literal, e.g. `<rootDir>/../coverage` | `process.cwd()` | N/A
 | `JEST_JUNIT_OUTPUT_NAME` | `outputName` | File name for the output. | `"junit.xml"` | N/A
 | `JEST_JUNIT_OUTPUT_FILE` | `outputFile` | Fullpath for the output. If defined, `outputDirectory` and `outputName` will be overridden | `undefined` | N/A
-| `JEST_JUNIT_UNIQUE_OUTPUT_NAME` | `uniqueOutputName` | Create unique file name for the output leveraging the `outputName` as a prefix if given `${outputName}-${uuid}.xml` or a default of `junit-${uuid}.xml` if `outputName` is not specified, overrides `outputName` | `false` | N/A
+| `JEST_JUNIT_UNIQUE_OUTPUT_NAME` | `uniqueOutputName` | Create unique file name for the output leveraging the `outputName` as a prefix if given `${outputName}-${uuid}.xml` or a default of `junit.xml-${uuid}.xml` if `outputName` is not specified, overrides `outputName` | `false` | N/A
 | `JEST_JUNIT_SUITE_NAME` | `suiteNameTemplate` | Template string for `name` attribute of the `<testsuite>`. | `"{title}"` | `{title}`, `{filepath}`, `{filename}`, `{displayName}`
 | `JEST_JUNIT_CLASSNAME` | `classNameTemplate` | Template string for the `classname` attribute of `<testcase>`. | `"{classname} {title}"` | `{classname}`, `{title}`, `{suitename}`, `{filepath}`, `{filename}`, `{displayName}`
 | `JEST_JUNIT_TITLE` | `titleTemplate` | Template string for the `name` attribute of `<testcase>`. | `"{classname} {title}"` | `{classname}`, `{title}`, `{filepath}`, `{filename}`, `{displayName}`