add markdown title

app.py

@@ -42,6 +42,10 @@ def calculator(n_layer, d_model, n_heads, n_vocab, n_ctx, ff_ratio, incl_embed):
 
 
 with gr.Blocks() as iface:
+    gr.Markdown("## Transformer FLOPs Calculator")
+    gr.Markdown(
+        "Calculate how many FLOPs a Transformer language model has using the method described in [DeepMind's Chinchilla scaling law paper](https://arxiv.org/abs/2203.15556) (see Appendix F)."
+    )
     with gr.Row():
         with gr.Column():
             n_layer = gr.Number(label="Number of layers (n_layer)")