Update README.md

top_p, metrics, cases where it doesn't do well

README.md

@@ -7,6 +7,7 @@ inference:
     use_cache: false
     max_length: 200
     top_k: 5
+    top_p: 0.9
     
 widget:
 - text: "Sony TV"
@@ -17,11 +18,16 @@ widget:
   example_title: "Ads for shopping deals"
 - text: "Labor Day discounts for"
   example_title: "Ads for Holiday deals"
+  
+metrics:
+- bleu
+- sacrebleu
+
 ---
 
 Generates Ad copy, currently for ads for Amazon shopping (fine tuned for electronics and wearables).   
   
-**Examples:**   
+**Usage Examples:**   
 Enter the bolded text below to get the Amazon ad generated by the model.  
 
 **Big savings on the new** Roku Streaming Device  
@@ -34,3 +40,10 @@ You can try entering brand and product names like Samsung Galaxy to see the ad t
 
 Currently fine tuned on the EleutherAI/gpt-neo-125M model
 
+**Model Performance:** 
+The model does quite well on the Electronics and Wearables categories on which it has been fine-tuned. There are, however, occasional hallucinations, though the ad copy is mostly coherent. 
+
+In other domains, it doesn't do quite as well...
+Tesla for Christmas today, 
+Honda on sale 
+