Fix Javadoc/MD syntax issues

[gefloh]

This PR fixes a couple of small Javadoc/MD syntax issues. It might seem completely unimportant, but there are cases where it shows up in the public documentation which is not nice.

[gsmet]

I’ll have a look on Monday. Doc fixes are always very welcome!

[gefloh]

@gsmet Yeah I'm good in finding stuff like that. ;-) Have a nice weekend.

[gsmet]

Good catch for everything, thanks a lot. Keep them coming if you find other issues :).

Will let CI check things and we can merge.

Have a nice week-end too!

[gefloh]

I will keep my eyes open. :-) Thanks.

[quarkus-bot]

Status for workflow Quarkus Documentation CI

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✅ The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.

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[github-actions]

🎊 PR Preview baedd86 has been successfully built and deployed to https://quarkus-pr-main-46031-preview.surge.sh/version/main/guides/

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[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit 8b5b7ff.

✅ The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.

You can consult the Develocity build scans.

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Flaky tests - Develocity

⚙️ JVM Tests - JDK 17

📦 integration-tests/reactive-messaging-context-propagation

✖ io.quarkus.it.kafka.KafkaContextPropagationTest.testAbsenceOfContextPropagation - History

• 1 expectation failed. Expected status code <500> but was <204>. - java.lang.AssertionError

java.lang.AssertionError: 
1 expectation failed.
Expected status code <500> but was <204>.

	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)

✖ io.quarkus.it.kafka.KafkaContextPropagationTest.testAbsenceOfContextPropagationBlocking - History

• 1 expectation failed. Expected status code <500> but was <204>. - java.lang.AssertionError

java.lang.AssertionError: 
1 expectation failed.
Expected status code <500> but was <204>.

	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)

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⚙️ JVM Tests - JDK 17 Windows

📦 extensions/micrometer-opentelemetry/deployment

✖ io.quarkus.micrometer.opentelemetry.deployment.compatibility.MicrometerTimedInterceptorTest.testTimeMethod_Async - History

• Stream has no elements - java.lang.IllegalArgumentException

java.lang.IllegalArgumentException: Stream has no elements
	at io.quarkus.micrometer.opentelemetry.deployment.common.MetricDataFilter.lastReadingDataPoint(MetricDataFilter.java:236)
	at io.quarkus.micrometer.opentelemetry.deployment.compatibility.MicrometerTimedInterceptorTest.testTimeMethod_Async(MicrometerTimedInterceptorTest.java:126)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at io.quarkus.test.QuarkusUnitTest.runExtensionMethod(QuarkusUnitTest.java:513)
	at io.quarkus.test.QuarkusUnitTest.interceptTestMethod(QuarkusUnitTest.java:427)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

✖ io.quarkus.micrometer.opentelemetry.deployment.compatibility.MicrometerTimedInterceptorTest.testTimeMethod_AsyncFailed - History

• Stream has no elements - java.lang.IllegalArgumentException

java.lang.IllegalArgumentException: Stream has no elements
	at io.quarkus.micrometer.opentelemetry.deployment.common.MetricDataFilter.lambda$lastReading$2(MetricDataFilter.java:213)
	at java.base/java.util.Optional.orElseThrow(Optional.java:403)
	at io.quarkus.micrometer.opentelemetry.deployment.common.MetricDataFilter.lastReading(MetricDataFilter.java:213)
	at io.quarkus.micrometer.opentelemetry.deployment.common.MetricDataFilter.lastReadingDataPoint(MetricDataFilter.java:231)
	at io.quarkus.micrometer.opentelemetry.deployment.compatibility.MicrometerTimedInterceptorTest.testTimeMethod_AsyncFailed(MicrometerTimedInterceptorTest.java:150)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at io.quarkus.test.QuarkusUnitTest.runExtensionMethod(QuarkusUnitTest.java:513)

[gsmet]

Thanks!