fixing hugo download issue

Signed-off-by: Juan Bustamante <[email protected]>

Author: jjbustamante

Makefile

@@ -43,7 +43,7 @@ endif
 endif
 
 ifeq ($(shell uname -s),Darwin)
-	HUGO_OS:=macOS
+	HUGO_OS:=darwin
 	HUGO_ARCH:=universal
 endif
 
@@ -188,4 +188,4 @@ katacoda:
 check-katacoda: katacoda
 	@echo "Checking if Katacoda docs are up-to-date..."
 	@git diff --quiet HEAD -- katacoda/scenarios || ( echo "Katacoda docs are not up-to-date! Please run 'make katacoda' and commit the katacoda/scenarios folder" && exit 1)
-	@echo "All katacoda docs are up-to-date"
+	@echo "All katacoda docs are up-to-date"