Minor changes

Author: rriveramdz

src/main.sh

@@ -139,7 +139,7 @@ function installTerragrunt {
 
   echo "Moving Terragrunt ${tgVersion} to PATH"
   chmod +x /tmp/terragrunt
-  mv /tmp/terragrunt /usr/local/bin
+  mv /tmp/terragrunt /usr/local/bin/terragrunt 
   if [ "${?}" -ne 0 ]; then
     echo "Failed to move Terragrunt ${tgVersion}"
     exit 1