Merge pull request #17505 from dliappis/docs_fixes

Fix locahost typo and distro clarifications

docs/reference/setup/install/check-running.asciidoc

@@ -5,7 +5,7 @@ request to port `9200` on `localhost`:
 
 [source,sh]
 --------------------------------------------
-curl locahost:9200
+curl localhost:9200
 --------------------------------------------
 
 which should give you a response something like this:

docs/reference/setup/install/rpm.asciidoc

@@ -55,9 +55,9 @@ sudo yum install elasticsearch <1>
 sudo dnf install elasticsearch <2>
 sudo zypper install elasticsearch <3>
 --------------------------------------------------
-<1> Use `yum` on Centos and older Red Hat distributions.
-<2> Use `dnf` on newer Red Hat distributions.
-<3> Use `zypper` on OpenSuSe based distributions
+<1> Use `yum` on CentOS and older Red Hat based distributions.
+<2> Use `dnf` on Fedora and other newer Red Hat distributions.
+<3> Use `zypper` on OpenSUSE based distributions
 
 [[install-rpm]]
 ==== Download and install the RPM manually
@@ -179,4 +179,4 @@ locations for an RPM-based system:
 
 |=======================================================================
 
-include::next-steps.asciidoc[]
+include::next-steps.asciidoc[]