add missing comma to example (#2)

- add missing comma to example (3a39a298b599902879e0829f4cfc01e6cdacc089)


Co-authored-by: Blair Chintella <ctranslate2-4you@users.noreply.huggingface.co>

README.md

@@ -37,7 +37,7 @@ engine = AsyncEmbeddingEngine.from_args(
         model_name_or_path = "michaelfeil/bge-small-en-v1.5",
         device="cuda",
         # or device="cpu"
-        engine="torch"
+        engine="torch",
         # or engine="optimum"
         compile=True # enable torch.compile
 ))