fix typo

docs/website/docs/examples/transformers/index.md

@@ -9,7 +9,7 @@ import Header from '../_examples-header.md';
 <Header
     intro="In this example, you will learn how to load a list of Pokemon from the PokeAPI and with the help of dlt transformers
     automatically query additional data per retrieved Pokemon. You will also learn how to harness parallelism with a thread pool."
-    slug="transformer"
+    slug="transformers"
     run_file="pokemon"
     destination="duckdb"/>