I fixed the typo “serie” → "series" which was highlighted by a spellchecker.
I also simplified the description, fixed the grammar, added `{@code}` around
types, added link to `requestFocus` in the example.
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Commit messages:
- Amend the javadoc for SunToolkit.realSync(long)
Changes: https://git.openjdk.org/jdk/pull/10563/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10563&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8294807
Stats: 16 lines in 1 file changed: 1 ins; 0 del; 15 mod
Patch: https://git.openjdk.org/jdk/pull/10563.diff
Fetch: git fetch https://git.openjdk.org/jdk pull/10563/head:pull/10563
PR: https://git.openjdk.org/jdk/pull/10563
