Merge pull request #19 from anmonteiro/patch-1

Update Yarn README, `whereisreason` doesn't exist anymore

Author: jordwalke

README-Yarn.md

@@ -122,7 +122,7 @@ We will come up with a long term solution at some point.
   compiled into.
 
 ```
-npm run whereisreason
+npm run whereisocamlmerlin
 ```