Update query.md

query.md

@@ -1,8 +1,7 @@
 ### Query Encoding
 
 Let's start by exploring SPLADE's query encoder. The query encoder is a `Q→Q` (query rewriting, query-to-query) transformer, and can be used in pipelines accordingly.
-It maps a query string into [MatchOp](https://terrier-core.readthedocs.io/en/latest/querylanguage.html#matching-op-query-language) query with terms from the
-query re-weighted and weighted expansion terms added.
+It maps a query string into a sparse `dict`-formatted query vector, with the tokens as the keys and the weights as values.
 
 <div class="pipeline">
   <div class="df" title="Query Frame">Q</div>