Tweak default Zephyr example (#1010)

.env.template

@@ -47,8 +47,8 @@ MODELS=`[
         "title": "Code a snake game",
         "prompt": "Code a basic snake game in python, give explanations for each step."
       }, {
-        "title": "Logical reasoning",
-        "prompt": "Kayley has three brothers. Each of her brothers has two sisters. How many sisters does Kayley have?"
+        "title": "Assist in a task",
+        "prompt": "How do I make a delicious lemon cheesecake?"
       }
     ]
     },
@@ -251,4 +251,4 @@ ALTERNATIVE_REDIRECT_URLS=`[
   huggingchat://login/callback
 ]`
 
-WEBSEARCH_BLOCKLIST=`["youtube.com", "twitter.com"]`
+WEBSEARCH_BLOCKLIST=`["youtube.com", "twitter.com"]`