Comments cleanup

Cleanup of comments

xo_install.sh

@@ -39,7 +39,7 @@ echo "$yarn_repo" | tee /etc/apt/sources.list.d/yarn.list
 /bin/chmod +x $n_location
 /usr/local/bin/n lts
 
-#Symbolic Link
+# Symlink node directories
 ln -s /usr/bin/node /usr/local/bin/node
 
 # Install XO dependencies
@@ -61,7 +61,7 @@ sed -i "s|#'/': '/path/to/xo-web/dist/'|'/': '/opt/xen-orchestra/packages/xo-web
 #Create node_modules directory if doesn't exist
 mkdir -p /usr/local/lib/node_modules/
 
-# symlink all plugins
+# Symlink all plugins
 for source in =$(ls -d /opt/xen-orchestra/packages/xo-server-*); do
     ln -s "$source" /usr/local/lib/node_modules/
 done
@@ -69,7 +69,7 @@ done
 if [[ ! -e $systemd_service_dir/$xo_service ]] ; then
 
 /bin/cat << EOF >> $systemd_service_dir/$xo_service
-# systemd service for XO-Server.
+# Systemd service for XO-Server.
 
 [Unit]
 Description= XO Server