Update README.md

README.md

@@ -19,7 +19,7 @@ To force the target language id as the first generated token, pass the `forced_b
 
 To install `sentencepiece` run `pip install sentencepiece`
 
-Since the model was trained with domain tags, you should append them to the input as well.
+Since the model was trained with domain tags, you should prepend them to the input as well.
 * "wmtdata newsdomain": Use for sentences in the news domain
 * "wmtdata otherdomain": Use for sentences in all other domain