explicit how to set n parameter to --bail

The equal sign is required between `--bail` and `n`, otherwise the number `n` will be used as a test file filter.

Author: Trim

CHANGELOG.md

@@ -19,6 +19,7 @@
 
 - `[*]` [**BREAKING**] Drop support for Node v12 and v17 ([#13033](https://github.com/facebook/jest/pull/13033))
 - `[docs]` Fix webpack name ([#13049](https://github.com/facebook/jest/pull/13049))
+- `[docs]` Explicit how to set `n` for `--bail` ([#xxx](https://github.com/facebook/jest/pull/xxx))
 - `[jest-leak-detector]` Remove support for `weak-napi` ([#13035](https://github.com/facebook/jest/pull/13035))
 
 ### Performance

docs/CLI.md

@@ -118,7 +118,7 @@ import TOCInline from '@theme/TOCInline';
 
 When you run `jest` with an argument, that argument is treated as a regular expression to match against files in your project. It is possible to run test suites by providing a pattern. Only the files that the pattern matches will be picked up and executed. Depending on your terminal, you may need to quote this argument: `jest "my.*(complex)?pattern"`. On Windows, you will need to use `/` as a path separator or escape `\` as `\\`.
 
-### `--bail`
+### `--bail=n`
 
 Alias: `-b`. Exit the test suite immediately upon `n` number of failing test suite. Defaults to `1`.