Update load_sim_tools.sh

load_sim_tools.sh

 #!/bin/bash
 #title           :load_sim_tools.sh
 #description     :Script to load simulation software on the Collaboratory Lab containers from the Object Storage at CSCS.
-#author		     :Athanasios Karmas
+#author          :Athanasios Karmas
 #date            :20210601   
-#usage		     :source ./load_sim_tools.sh
+#usage           :source ./load_sim_tools.sh
 #==============================================================================
 
 echo "Downloading files..."