fix: Makefile linter problem

Makefile

@@ -78,19 +78,18 @@ IMAGES_TO_SCAN = $(shell docker images --format '{{.Repository}}:{{.Tag}}' | gre
 security:
 	@docker login -u ${TENABLE_IO_ACCESS_KEY} -p ${TENABLE_IO_SECRET_KEY} registry.cloud.tenable.com
 	@for image in $(IMAGES_TO_SCAN); do \
-		tenable_name=`echo $$image | cut -d "/" -f 2`; \
-		echo "$$image ---> $$tenable_name"; \
-		docker tag $$image registry.cloud.tenable.com/$$tenable_name; \
-		docker push registry.cloud.tenable.com/$$tenable_name; \
+		docker tag $$image registry.cloud.tenable.com/`echo $$image | cut -d "/" -f 2`; \
+		docker push registry.cloud.tenable.com/`echo $$image | cut -d "/" -f 2`; \
 	done
 
 delete_dangling_images:
 	@echo "Removing dangling images"
 	@docker image prune -f
 help:
-	@echo -e "make [all] \t # Creates all the images"
-	@echo -e "make <TARGET> \t # Creates an specific image"
-	@echo -e "make clean \t # Cleanup"
+	@echo -e "make [all] \n\t # Creates all the images"
+	@echo -e "make <TARGET> \n\t # Creates an specific image"
+	@echo -e "make clean \n\t # Cleanup"
+	@echo -e "make security \n\t # Send the images to Tenable. Use env variables TENABLE_IO_ACCESS_KEY and TENABLE_IO_SECRET_KEY"
 
 debug:
 	@echo -e "DOCKERFILES: \t $(DOCKERFILES)"