DOC: note lack of unit handling in docstring

jklymak · jklymak · commit 07ed125c87f4 · 2023-12-04T15:38:07.000-08:00
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -1978,7 +1978,9 @@ def acorr(self, x, **kwargs):
 
         Parameters
         ----------
-        x : array-like
+        x : array-like.
+            Not run through Matplotlib's unit conversion, so this should
+            be a unit-less array.
 
         detrend : callable, default: `.mlab.detrend_none` (no detrending)
             A detrending function applied to *x*.  It must have the
@@ -2055,7 +2057,9 @@ def xcorr(self, x, y, normed=True, detrend=mlab.detrend_none,
 
         Parameters
         ----------
-        x, y : array-like of length n
+        x, y : array-like of length n.
+            Neither *x* nor *y* are run through Matplotlib's unit conversion, so
+            these should be unit-less arrays.
 
         detrend : callable, default: `.mlab.detrend_none` (no detrending)
             A detrending function applied to *x* and *y*.  It must have the
