Update leap design.md for analyzer (#2940)

Author: jagdish-15

exercises/practice/leap/.meta/design.md

@@ -6,7 +6,8 @@ This exercise could benefit from the following rules in the [analyzer]:
 
 - `essential`: Verify that the solution does not use `java.time.Year.isLeap(int)` or `new java.util.GregorianCalendar().isLeapYear(int)`.
 - `essential`: Verify that the solution does not contain hard-coded years used in the tests.
-- `actionable`: If the solution uses conditional statements like `if/else` or ternary expressions, instruct the student to use simple boolean logic instead.
+- `actionable`: If the solution uses `if/else` statements, instruct the student to use simple boolean logic or a single ternary operator instead.
+- `actionable`: If the solution uses more than 1 ternary operator, instruct the student that their solution can be simplified.
 - `actionable`: If the solution contains more than 3 checks, instruct the student that their solution can be simplified.
 
 [analyzer]: https://github.com/exercism/java-analyzer