Add Ollama model name example

app.py

@@ -159,7 +159,7 @@ with st.sidebar:
 
     if RUN_IN_OFFLINE_MODE:
         llm_provider_to_use = st.text_input(
-            label='2: Enter Ollama model name to use:',
+            label='2: Enter Ollama model name to use (e.g., mistral:v0.2):',
             help=(
                 'Specify a correct, locally available LLM, found by running `ollama list`, for'
                 ' example `mistral:v0.2` and `mistral-nemo:latest`. Having an Ollama-compatible'