Update documentation/src/main/asciidoc/querylanguage/Concepts.adoc

Co-authored-by: Gavin King <[email protected]>

Author: NathanQingyangXu

documentation/src/main/asciidoc/querylanguage/Concepts.adoc

@@ -699,7 +699,7 @@ for (var list : results) {
 ----
 
 Unfortunately, not one of the types `Object[]`, `List`, `Map`, nor `Tuple` lets us access an individual item in a result tuple without a type cast.
-Surely `Tuple` does the type cast for us when we pass a class object to `get()`, but it's logically identical.
+Sure, `Tuple` does the type cast for us when we pass a class object to `get()`, but it's logically identical.
 Fortunately there's one more option, as we're about to see.
 
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