fixed minor spelling mistake in title

Author: Pawan Gonnakuti

docs/install-tdagent-and-the-plugin-on-rhel.md

@@ -1,4 +1,4 @@
-# How to install td-agent and luent-plugin-azure-loganalytics plugin on RHEL
+# How to install td-agent and fluent-plugin-azure-loganalytics plugin on RHEL
 
 This is a quick installation procedure of td-agent and the custom plugin (fluent-plugin-azure-loganalytics) on Red Hat Enterprise Linux (7.4) 
 
@@ -65,4 +65,4 @@ $ sudo /usr/sbin/td-agent-gem install fluent-plugin-azure-loganalytics
 $ git clone https://github.com/yokawasa/fluent-plugin-azure-loganalytics.git
 $ cd fluent-plugin-azure-loganalytics
 $ /opt/td-agent/embedded/bin/rake test
-```
+```