fix typo

Author: nhooyr

1-js/02-first-steps/12-while-for/6-repeat-until-correct/task.md

@@ -2,7 +2,7 @@ importance: 5
 
 ---
 
-# Repeat until the input is incorrect
+# Repeat until the input is correct
 
 Write a loop which prompts for a number greater than `100`. If the visitor enters another number -- ask him to input again.