message: docs: fixing invisible tag in README
diff: * **animations:** make sure @.disabled works in non-animation components ([a5c4bb5](https://github.com/angular/angular/commit/a5c4bb5))
  * **common:** send flushed body as error instead of null ([17b7bc3](https://github.com/angular/angular/commit/17b7bc3)), closes [#18181](https://github.com/angular/angular/issues/18181)
  * **compiler:** ensure jit external id arguments names are unique ([4671168](https://github.com/angular/angular/commit/4671168))
  -* **compiler-cli:** don't generate empty <target/> when extracting xliff ([f0476fc](https://github.com/angular/angular/commit/f0476fc)), closes [#15754](https://github.com/angular/angular/issues/15754)
  +* **compiler-cli:** don't generate empty `<target/>` when extracting xliff ([f0476fc](https://github.com/angular/angular/commit/f0476fc)), closes [#15754](https://github.com/angular/angular/issues/15754)
  * **platform-server:** provide XhrFactory for HttpClient ([4ce29f3](https://github.com/angular/angular/commit/4ce29f3))
  * **router:** canDeactivate guards should run from bottom to top ([1ac78bf](https://github.com/angular/angular/commit/1ac78bf)), closes [#15657](https://github.com/angular/angular/issues/15657)
  * **router:** should navigate to the same url when config changes ([4340bea](https://github.com/angular/angular/commit/4340bea)), closes [#15535](https://github.com/angular/angular/issues/15535)
  