update from review

Author: jemorrison

jwst/spectral_leak/spectral_leak_step.py

@@ -34,7 +34,7 @@ def process(self, input_data):
         Returns
         -------
         JWST DataModel
-            The corrected data model. This will be "input_model" if the step is skipped,
+            The corrected data model. This will be the input_model if the step is skipped,
             otherwise it will be a corrected 1D extracted spectrum that contains
             the MRS channel 3B range.
         """