Update Nodejs_install.md

fix minor typos in Run on RHEL, CentOS, CloudLinux, Amazon Linux or Fedora: section

Author: MitchellTesla

docs/NodeSource/Nodejs_install.md

@@ -359,51 +359,70 @@ The Nodesource RPM package signing key is available here: https://rpm.nodesource
 # Run on RHEL, CentOS, CloudLinux, Amazon Linux or Fedora:
 
 # Node.js v16.x
+                                    
 As root
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_16.x | bash -
 
 No root privileges
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 curl -fsSL https://rpm.nodesource.com/setup_16.x | sudo bash -
 
 # Node.js v15.x
+                                    
 As root
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_15.x | bash -
 
 No root privileges
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_15.x | sudo bash -
 
 # Node.js v14.x
+                                    
  As root
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_14.x | bash -
 
 No root privileges
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_14.x | sudo bash -
 
 # Node.js v12.x
+                                    
 As root
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_12.x | bash -
 
 No root privileges
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_12.x | sudo bash -
 
 # Node.js LTS (14.x)
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 As root
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 curl -fsSL https://rpm.nodesource.com/setup_lts.x | bash -
 
 No root privileges
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_lts.x | sudo bash -
 
 # Node.js Current (16.x)
+                                    
 As root
+                                    
 curl -fsSL https://rpm.nodesource.com/setup_current.x | bash -
 
 No root privileges
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 curl -fsSL https://rpm.nodesource.com/setup_current.x | sudo bash -
 
 
 # Optional: install build tools
                                     
 To compile and install native addons from npm you may also need to install build tools:
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 yum install gcc-c++ make
  or: yum groupinstall 'Development Tools'