DOC: Fix Series nlargest and nsmallest doc strings (#43964)

Author: Zeroto521

pandas/core/frame.py

@@ -6597,7 +6597,7 @@ def nlargest(self, n, columns, keep: str = "first") -> DataFrame:
             - `first` : prioritize the first occurrence(s)
             - `last` : prioritize the last occurrence(s)
             - ``all`` : do not drop any duplicates, even it means
-                        selecting more than `n` items.
+              selecting more than `n` items.
 
         Returns
         -------

pandas/core/series.py

@@ -3692,11 +3692,11 @@ def nlargest(self, n=5, keep="first") -> Series:
             Series of `n` elements:
 
             - ``first`` : return the first `n` occurrences in order
-                of appearance.
+              of appearance.
             - ``last`` : return the last `n` occurrences in reverse
-                order of appearance.
+              order of appearance.
             - ``all`` : keep all occurrences. This can result in a Series of
-                size larger than `n`.
+              size larger than `n`.
 
         Returns
         -------
@@ -3790,11 +3790,11 @@ def nsmallest(self, n: int = 5, keep: str = "first") -> Series:
             Series of `n` elements:
 
             - ``first`` : return the first `n` occurrences in order
-                of appearance.
+              of appearance.
             - ``last`` : return the last `n` occurrences in reverse
-                order of appearance.
+              order of appearance.
             - ``all`` : keep all occurrences. This can result in a Series of
-                size larger than `n`.
+              size larger than `n`.
 
         Returns
         -------

pandas/core/shared_docs.py

@@ -492,7 +492,7 @@
     ------
     AssertionError
         * If `regex` is not a ``bool`` and `to_replace` is not
-            ``None``.
+          ``None``.
 
     TypeError
         * If `to_replace` is not a scalar, array-like, ``dict``, or ``None``