Merge pull request matplotlib#29132 from meeseeksmachine/auto-backpor…

…t-of-pr-29128-on-v3.10.x

Backport PR matplotlib#29128 on branch v3.10.x (Tweak AutoMinorLocator docstring.)

lib/matplotlib/ticker.py

@@ -2930,20 +2930,21 @@ class AutoMinorLocator(Locator):
     Place evenly spaced minor ticks, with the step size and maximum number of ticks
     chosen automatically.
 
-    The Axis scale must be linear with evenly spaced major ticks .
+    The Axis must use a linear scale and have evenly spaced major ticks.
     """
 
     def __init__(self, n=None):
         """
-        *n* is the number of subdivisions of the interval between
-        major ticks; e.g., n=2 will place a single minor tick midway
-        between major ticks.
-
-        If *n* is omitted or None, the value stored in rcParams will be used.
-        In case *n* is set to 'auto', it will be set to 4 or 5. If the distance
-        between the major ticks equals 1, 2.5, 5 or 10 it can be perfectly
-        divided in 5 equidistant sub-intervals with a length multiple of
-        0.05. Otherwise it is divided in 4 sub-intervals.
+        Parameters
+        ----------
+        n : int or 'auto', default: :rc:`xtick.minor.ndivs` or :rc:`ytick.minor.ndivs`
+            The number of subdivisions of the interval between major ticks;
+            e.g., n=2 will place a single minor tick midway between major ticks.
+
+            If *n* is 'auto', it will be set to 4 or 5: if the distance
+            between the major ticks equals 1, 2.5, 5 or 10 it can be perfectly
+            divided in 5 equidistant sub-intervals with a length multiple of
+            0.05; otherwise, it is divided in 4 sub-intervals.
         """
         self.ndivs = n