fixes typo in doc string type annotation

Co-authored-by: Copilot <[email protected]>

Author: justin-cechmanek

redisvl/query/query.py

@@ -1065,7 +1065,7 @@ def __init__(
                 a default set of stopwords for that language will be used. Users may specify
                 their own stop words by providing a List or Set of words. if set to None,
                 then no words will be removed. Defaults to 'english'.
-            text_weights (Optional[Dict[str, float]): The importance weighting of individual words
+            text_weights (Optional[Dict[str, float]]): The importance weighting of individual words
                 within the query text. Defaults to None, as no modifications will be made to the
                 text_scorer score.
         Raises: