Update smalltalk.md

Author: nrios14

user/languages/smalltalk.md

@@ -8,8 +8,8 @@ layout: en
 
 This guide covers build environment and configuration topics specific to Smalltalk
 projects. Please make sure to read our
-[Tutorial](/user/tutorial/) and
-[general build configuration](/user/customizing-the-build/) guides first.
+[OnBoarding](/user/onboarding/) and
+[General Build configuration](/user/customizing-the-build/) guides first.
 
 ### Community-Supported Warning