Update app.py

app.py

@@ -125,7 +125,7 @@ gr.ChatInterface(
             "The assistant can **generate, explain, fix, optimize,** and **document Python code, "
             "create unit test cases,** and **answer general coding-related questions.** "
             "It can also **execute code**. "
-            "The assistant has access to tools, including code interpreter and custom function calling, "
+            "The assistant has access to tools, including a code interpreter and custom function calling: "
             "a <b>today tool</b> (to get current date), "
             "a **<a href='https://pypi.org/project/yfinance/'>yfinance</a> download tool** (to get stock data), "
             "and a **<a href='https://tavily.com/'>tavily</a> search tool** (to perform web search)."