updated example link

app.py

@@ -55,7 +55,7 @@ OR
 * Upload a CSV file with the columns being `prediction` and `truth`. 
 * The first row of the file is supposed to have the column names.
 * The sentences should be enclosed within `""` and the prediction and truth need to be separated by `,`.
-* Find an example file [here](https://huggingface.co/spaces/neuralspace/wer_calculator/resolve/main/trial.csv).
+* Find an example file [here](https://huggingface.co/spaces/neuralspace/wer_calculator/resolve/main/example.csv).
 * To calculate the WER after uploading the CSV file, click on `Submit`.
 
 NOTE: Pleasd don't use both the methods at once.