doc: add note about return value of statement/execute #3

close #3

Author: smeghead

Diff for: CHANGELOG.md

@@ -4,6 +4,7 @@
 ### Bugfix
 
  * rename keyowrd -> keyword #2 (@jasalt)
+ * doc: add note about return value of `statement/execute` #3
 
 ## v0.0.7 (2024-06-24)
 

Diff for: README.md

@@ -199,6 +199,9 @@ Returns an SQL prepared command
 
 Executes a prepared statement
 
+> [!NOTE]
+> The return value of the original library, `PDOStatement::execute()`, is a `bool` value representing the result of the `execute` method, while the return value of `statement/execute` returns the statement itself.
+
 ```clojure
 (execute statement)
 ```