Minor typo

Author: charlesbluca

dask_sql/physical/rel/logical/aggregate.py

@@ -67,7 +67,7 @@ def __init__(self, built_in_aggregation, custom_aggregation=None):
     def get_supported_aggregation(self, series):
         built_in_aggregation = self.built_in_aggregation
 
-        # built-in_aggreagations work well for numeric types
+        # built-in aggregations work well for numeric types
         if pd.api.types.is_numeric_dtype(series.dtype):
             return built_in_aggregation