Update app.py

app.py

@@ -211,3 +211,7 @@ else:
     st.markdown(
         "---\n\* **WER** is [Word Error Rate](https://huggingface.co/metrics/wer)"
     )
+
+st.markdown(
+    "Want to beat the Leaderboard? Don't see your speech recognition model show up here? Simply add the `hf-asr-leaderboard` tag to your model card alongside your evaluation metrics. See [this commit](https://huggingface.co/facebook/wav2vec2-base-960h/commit/88338305603a4d8db25aca96e669beb5f7dc65cb) as an example."
+)