Polish release notes for 5.6 RC1

Author: sbrannen

documentation/src/docs/asciidoc/release-notes/release-notes-5.6.0-RC1.adoc

@@ -5,9 +5,9 @@
 
 *Scope:*
 
-* New `TestInstancePreDestroyCallback` extension point
-* Include parameter names in default display names of parameterized test invocations
-* Add support for using `any()` and `none()` in tag expressions
+* New `TestInstancePreDestroyCallback` extension API
+* Parameter names are included in default display names of parameterized test invocations
+* Support for using `any()` and `none()` in tag expressions
 * OSGi metadata
 * Minor bug fixes and improvements
 
@@ -54,17 +54,18 @@ on GitHub.
   `@EnabledIfSystemProperty`, and `@DisabledIfSystemProperty` may now be used as
   _repeatable_ annotations. In other words, it is now possible to declare each of those
   annotations multiple times on a test interface, test class, or test method.
+* `JAVA_15` has been added to the `JRE` enum for use with JRE-based execution conditions.
 * Discovery of `@Nested` test classes that form a cycle now results in an exception that
   halts execution of the JUnit Jupiter test engine instead of infinite recursion.
 * Parameter names are now included in the default display name of a `@ParameterizedTest`
   invocation (if they are present in the bytecode). The `{argumentsWithNames}` pattern
   can also be used in custom names.
-* New `TestInstancePreDestroyCallback` interface that defines the API for `Extension`
-  that wish to process test instances *after* they have been used in tests and *before*
-  they are destroyed.
+* New `TestInstancePreDestroyCallback` interface that defines the API for extensions that
+  wish to process test instances *after* they have been used in tests and *before* they
+  are destroyed.
 * `InvocationInterceptor` extensions may now explicitly `skip()` an intercepted
-  invocation. This allows executing it by other means, e.g. in a forked JVM.
-* `JAVA_15` has been added to the `JRE` enum for use with JRE-based execution conditions.
+  invocation. This allows executing the invocation by other means — for example, in a
+  forked JVM.
 
 
 [[release-notes-5.6.0-RC1-junit-vintage]]