Update cortex-m-rt/CHANGELOG.md

Co-authored-by: Daniel Egger <daniel@eggers-club.de>

cortex-m-rt/CHANGELOG.md

@@ -12,7 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Add `zero-init-ram` feature to initialize RAM with zeros on startup.
   This can be necessary to properly initialise hardware error detection.
 - Add optional `exception` argument for `HardFault`.
-  It has one option `trampoline` which is true by default. When set to false,
+  It has one option `trampoline` which is `true` by default. When set to `false`,
   no trampoline will be created and the function will be called as the
   exception handler directly.
 - MSRV increased to 1.60.0 to align with `embedded-hal` version 1.