Fix docstring for pin data rotate test

Co-authored-by: John Stilley <[email protected]>

armi/reactor/tests/test_blocks.py

@@ -1837,15 +1837,14 @@ def _rotateAndCompareBoundaryParams(self, rotNum: int, expected: np.ndarray):
  def test_rotatedPinParameters(self):
  """Test that block parameters that reflect pin data are rotated.
 
- Pre-rotate pin layout -> Post-rotate layout
+ Pre-rotate pin layout -> Post-rotate layout::
 
  2 1 1 6
  3 0 6 -> 2 0 5
  4 5 3 4
 
  - Pre-rotate data: ``[0, 1, 2, 3, 4, 5, 6, ...]``
  - Post-rotate data: ``[0, 6, 1, 2, 3, 4, 5, ...]``
-
  """
  self.block.rotate(math.radians(60))
  preRotate = self.PIN_DATA