DOC: fix typos in "See also" documentation section (#47712)

* DOC: fix typos in DataFrame.cov() documentation fix typos in DataFrame.cov() See also documentation section * DOC: fix a typo in expanding cummax and cummin DOC: fix a typo in expanding cummax and cummin in See also documentation section. * DOC: fix a typo in quantile documentation fix a typo in quantile "See also" documentation section * fix a lint error

Author: partev

pandas/core/frame.py

@@ -10365,9 +10365,10 @@ def cov(
  See Also
  --------
  Series.cov : Compute covariance with another Series.
- core.window.ExponentialMovingWindow.cov: Exponential weighted sample covariance.
- core.window.Expanding.cov : Expanding sample covariance.
- core.window.Rolling.cov : Rolling sample covariance.
+ core.window.ewm.ExponentialMovingWindow.cov : Exponential weighted sample
+ covariance.
+ core.window.expanding.Expanding.cov : Expanding sample covariance.
+ core.window.rolling.Rolling.cov : Rolling sample covariance.
 
  Notes
  -----
@@ -11182,7 +11183,7 @@ def quantile(
 
  See Also
  --------
- core.window.Rolling.quantile: Rolling quantile.
+ core.window.rolling.Rolling.quantile: Rolling quantile.
  numpy.percentile: Numpy function to compute the percentile.
 
  Examples

pandas/core/generic.py

@@ -12199,7 +12199,7 @@ def _doc_params(cls):
 
 See Also
 --------
-core.window.Expanding.{accum_func_name} : Similar functionality
+core.window.expanding.Expanding.{accum_func_name} : Similar functionality
  but ignores ``NaN`` values.
 {name2}.{accum_func_name} : Return the {desc} over
  {name2} axis.