HDFS-15698. Fix the typo of dfshealth.html after HDFS-15358

[ferhui]

NOTICE

Please create an issue in ASF JIRA before opening a pull request,
and you need to set the title of the pull request which starts with
the corresponding JIRA issue number. (e.g. HADOOP-XXXXX. Fix a typo in YYY.)
For more details, please see https://cwiki.apache.org/confluence/display/HADOOP/How+To+Contribute

[ferhui]

@ayushtkn Could you please take a look? Thanks

[ayushtkn]

Thanx @ferhui for fixing this.
+1

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	44m 4s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ trunk Compile Tests _
-1 ❌	mvninstall	8m 36s	/branch-mvninstall-root.txt	root in trunk failed.
-1 ❌	shadedclient	9m 20s		branch has errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	2m 9s		the patch passed
+1 💚	whitespace	0m 0s		The patch has no whitespace issues.
-1 ❌	shadedclient	22m 26s		patch has errors when building and testing our client artifacts.
			_ Other Tests _
+0 🆗	asflicense	0m 42s		ASF License check generated no output?
		80m 48s

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2495/1/artifact/out/Dockerfile
GITHUB PR	#2495
Optional Tests	dupname asflicense shadedclient
uname	Linux 5899c7f2479d 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 03b4e98
Max. process+thread count	84 (vs. ulimit of 5500)
modules	C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2495/1/console
versions	git=2.17.1 maven=3.6.0
Powered by	Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org

This message was automatically generated.

[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	1m 24s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
			_ trunk Compile Tests _
+1 💚	mvninstall	40m 17s		trunk passed
+1 💚	shadedclient	60m 19s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 33s		the patch passed
+1 💚	whitespace	0m 0s		The patch has no whitespace issues.
+1 💚	shadedclient	19m 0s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	asflicense	0m 30s		The patch does not generate ASF License warnings.
		84m 49s

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2495/2/artifact/out/Dockerfile
GITHUB PR	#2495
Optional Tests	dupname asflicense shadedclient
uname	Linux 5793ee2769ff 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 142941b
Max. process+thread count	617 (vs. ulimit of 5500)
modules	C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2495/2/console
versions	git=2.17.1 maven=3.6.0
Powered by	Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org

This message was automatically generated.

[ferhui]

@ayushtkn @goiri Thanks for review.