DOC: updated core/groupby/generic.py for SS06 errors (#34715)

Author: willpeppo

pandas/core/groupby/generic.py

@@ -1573,8 +1573,10 @@ def _transform_item_by_item(self, obj: DataFrame, wrapper) -> DataFrame:
 
     def filter(self, func, dropna=True, *args, **kwargs):
         """
-        Return a copy of a DataFrame excluding elements from groups that
-        do not satisfy the boolean criterion specified by func.
+        Return a copy of a DataFrame excluding filtered elements.
+
+        Elements from groups are filtered if they do not satisfy the
+        boolean criterion specified by func.
 
         Parameters
         ----------
@@ -1835,8 +1837,7 @@ def count(self):
 
     def nunique(self, dropna: bool = True):
         """
-        Return DataFrame with number of distinct observations per group for
-        each column.
+        Return DataFrame with counts of unique elements in each position.
 
         Parameters
         ----------