Polish @BeforeAll Javadoc regarding execution order

Issue: #1620

junit-jupiter-api/src/main/java/org/junit/jupiter/api/BeforeAll.java

@@ -57,16 +57,18 @@
  * deterministic but intentionally non-obvious.
  *
  * <p>In addition, {@code @BeforeAll} methods are in no way linked to
- * {@code @AfterAll} methods, i.e. there are no guarantees with regard to their
- * wrapping behavior. For example, given two {@code @BeforeAll} methods
- * {@code createA()} and {@code createB()} as well as two {@code @AfterAll}
+ * {@code @AfterAll} methods. Consequently, there are no guarantees with regard
+ * to their <em>wrapping</em> behavior. For example, given two {@code @BeforeAll}
+ * methods {@code createA()} and {@code createB()} as well as two {@code @AfterAll}
  * methods {@code destroyA()} and {@code destroyB()}, the order in which the
  * {@code @BeforeAll} methods are executed (e.g. {@code createA()} before
  * {@code createB()}) does not imply any order for the seemingly corresponding
- * {@code @AfterAll} methods: (e.g. {@code destroyA()} might be called before
- * <em>or</em> after {@code destroyB()}). Thus, the JUnit Team recommends that
- * developers declare at most one {@code @BeforeAll}/{@code @AfterAll} method
- * per test class/interface unless there are no dependencies between them.
+ * {@code @AfterAll} methods. In other words, {@code destroyA()} might be called
+ * before <em>or</em> after {@code destroyB()}. The JUnit Team therefore recommends
+ * that developers declare at most one {@code @BeforeAll} method and at most one
+ * {@code @AfterAll} method per test class or test interface unless there are no
+ * dependencies between the {@code @BeforeAll} methods or between the
+ * {@code @AfterAll} methods.
  *
  * <h3>Composition</h3>
  *