docs: update timers config description

CHANGELOG.md

@@ -109,6 +109,7 @@
 - `[*]` [**BREAKING**] Remove deprecated `mapCoverage` ([#9968](https://github.com/facebook/jest/pull/9968))
 - `[babel-jest]` [**BREAKING**] Migrate to ESM ([#11193](https://github.com/facebook/jest/pull/11193))
 - `[docs]` Correct example using `browser-resolve` ([#11140](https://github.com/facebook/jest/pull/11140))
+- `[docs]` Clarify `timers` configuration property ([#11376](https://github.com/facebook/jest/pull/11376))
 - `[jest-config]` [**BREAKING**] Remove `enabledTestsMap` config, use `filter` instead ([#10787](https://github.com/facebook/jest/pull/10787))
 - `[jest-console]` [**BREAKING**] Move `root` into `config` and take `GlobalConfig` as mandatory parameter for `getConsoleOutput` ([#10126](https://github.com/facebook/jest/pull/10126))
 - `[jest-console]` Export LogEntry ([#11017](https://github.com/facebook/jest/pull/11017))

docs/Configuration.md

@@ -1296,7 +1296,7 @@ This option sets the URL for the jsdom environment. It is reflected in propertie
 
 Default: `real`
 
-Setting this value to `fake` or `modern` allows the use of fake timers for functions such as `setTimeout`. Fake timers are useful when a piece of code sets a long timeout that we don't want to wait for in a test.
+Setting this value to `fake` or `modern` enables fake timers for all tests by default. Fake timers are useful when a piece of code sets a long timeout that we don't want to wait for in a test. You can learn more about fake timers [here](https://jestjs.io/docs/jest-object#jestusefaketimersimplementation-modern--legacy).
 
 If the value is `legacy`, the old implementation will be used as implementation instead of one backed by [`@sinonjs/fake-timers`](https://github.com/sinonjs/fake-timers).
 

website/versioned_docs/version-25.x/Configuration.md

@@ -1181,7 +1181,7 @@ This option sets the URL for the jsdom environment. It is reflected in propertie
 
 Default: `real`
 
-Setting this value to `legacy` or `fake` allows the use of fake timers for functions such as `setTimeout`. Fake timers are useful when a piece of code sets a long timeout that we don't want to wait for in a test.
+Setting this value to `legacy` or `fake` enables fake timers for all tests by default. Fake timers are useful when a piece of code sets a long timeout that we don't want to wait for in a test. You can learn more about fake timers [here](https://jestjs.io/docs/25.x/jest-object#jestusefaketimers).
 
 ### `transform` \[object\<string, pathToTransformer | \[pathToTransformer, object]>]
 

website/versioned_docs/version-26.x/Configuration.md

@@ -1271,7 +1271,8 @@ This option sets the URL for the jsdom environment. It is reflected in propertie
 
 Default: `real`
 
-Setting this value to `legacy` or `fake` allows the use of fake timers for functions such as `setTimeout`. Fake timers are useful when a piece of code sets a long timeout that we don't want to wait for in a test.
+Setting this value to `legacy` or `modern` enables fake timers for all tests by default. Fake timers are useful when a piece of code sets a long timeout that we don't want to wait for in a test. You can learn more about fake timers [here](https://jestjs.io/docs/26.x/jest-object#jestusefaketimersimplementation-modern--legacy).
+
 
 If the value is `modern`, [`@sinonjs/fake-timers`](https://github.com/sinonjs/fake-timers) will be used as implementation instead of Jest's own legacy implementation. This will be the default fake implementation in Jest 27.