fix typos

app.py

@@ -1,5 +1,5 @@
 import evaluate
 from evaluate.utils import launch_gradio_widget
 
-module = evaluate.load("meaningbert")
+module = evaluate.load("davebulaval/meaningbert")
 launch_gradio_widget(module)

meaningbert.py

@@ -111,7 +111,7 @@ class MeaningBERTScore(evaluate.Metric):
             verbose: bool = False,
     ) -> Dict:
         assert len(documents) == len(
-            simplifications), "The number of document is different of the number of simplications."
+            simplifications), "The number of document is different of the number of simplifications."
         hashcode = _HASH
 
         # We load the MeaningBERT pretrained model