chore: fix docstrings typos (#1100)

Author: arwas11

bigframes/_config/__init__.py

@@ -107,7 +107,7 @@ def sampling(self) -> sampling_options.SamplingOptions:
 
         The data can be downloaded into memory explicitly
         (e.g., to_pandas, to_numpy, values) or implicitly (e.g.,
-        matplotlib plotting). This option can be overriden by
+        matplotlib plotting). This option can be overridden by
         parameters in specific functions.
 
         Returns:

bigframes/ml/forecasting.py

@@ -65,7 +65,7 @@ class ARIMAPlus(base.SupervisedTrainablePredictor):
             The data frequency of the input time series.
             Possible values are "auto_frequency", "per_minute", "hourly", "daily", "weekly", "monthly", "quarterly", "yearly"
 
-        include_drift (bool, defalut False):
+        include_drift (bool, default False):
             Determines whether the model should include a linear drift term or not. The drift term is applicable when non-seasonal d is 1.
 
         holiday_region (str or None, default None):

bigframes/ml/llm.py

@@ -1080,7 +1080,7 @@ class Claude3TextGenerator(base.BaseEstimator):
 
     .. note::
 
-        The models only availabe in specific regions. Check https://cloud.google.com/vertex-ai/generative-ai/docs/partner-models/use-claude#regions for details.
+        The models only available in specific regions. Check https://cloud.google.com/vertex-ai/generative-ai/docs/partner-models/use-claude#regions for details.
 
     Args:
         model_name (str, Default to "claude-3-sonnet"):