typo fix in hint message if2
@@ -158,7 +158,7 @@ path = "exercises/if/if2.rs"
mode = "test"
hint = """
For that first compiler error, it's important in Rust that each conditional
-block return the same type! To get the tests passing, you will need a couple
+block returns the same type! To get the tests passing, you will need a couple
conditions checking different input values."""
# TEST 1
