Documentation fixes.

Author: hpparvi

docs/tilt_correction/tilt_correction.rst

@@ -17,7 +17,7 @@ process known as 2D rectification). This alignment is essential for achieving ac
 wavelength calibration and performing robust sky subtraction.
 
 In the `specreduce` package, the tilt function is represented as a 2D polynomial using an
-`~astropy.modeling.models.Polynomial2D` instance of a specified degree. The
+``~astropy.modeling.models.Polynomial2D`` instance of a specified degree. The
 `~specreduce.tilt_correction.TiltCorrection` class implements this correction through several steps:
 
 1. Identifying emission lines in one or more arc lamp calibration spectra for a given number of

specreduce/tilt_correction.py

@@ -14,6 +14,8 @@
 from specreduce.core import _ImageParser
 from specreduce.line_matching import find_arc_lines
 
+__all__ = ["TiltCorrection"]
+
 
 def diff_poly2d_x(model: models.Polynomial2D) -> models.Polynomial2D:
     """Compute the partial derivative of a 2D polynomial model with respect to x.
@@ -451,7 +453,7 @@ def rectify(
         if self.disp_axis == 0:
             rectified_flux = rectified_flux.T
 
-        return NDData(rectified_flux*im.unit)
+        return NDData(rectified_flux * im.unit)
 
     def plot_wavelength_contours(
         self,