diff --git a/app.py b/app.py
index 007e010..a091ecd 100644
--- a/app.py
+++ b/app.py
@@ -14,6 +14,7 @@ from datachad.constants import (
     FETCH_K,
     LOCAL_MODE_DISABLED_HELP,
     MAX_TOKENS,
+    MODE_HELP,
     MODEL_N_CTX,
     OPENAI_HELP,
     PAGE_ICON,
@@ -102,7 +103,11 @@ def advanced_options_form() -> None:
     if advanced_options:
         with st.form("advanced_options"):
             col1, col2 = st.columns(2)
-            col1.selectbox("model", MODELS.for_mode(st.session_state["mode"]))
+            col1.selectbox(
+                "model",
+                options=MODELS.for_mode(st.session_state["mode"]),
+                help=f"Learn more about which models are supported [here]({PROJECT_URL})",
+            )
             col2.number_input(
                 "temperature",
                 min_value=0.0,
@@ -155,7 +160,7 @@ def advanced_options_form() -> None:
 
 # Sidebar with Authentication and Advanced Options
 with st.sidebar:
-    mode = st.selectbox("Mode", MODES.all(), key="mode")
+    mode = st.selectbox("Mode", MODES.all(), key="mode", help=MODE_HELP)
     if mode == MODES.LOCAL and not ENABLE_LOCAL_MODE:
         st.error(LOCAL_MODE_DISABLED_HELP, icon=PAGE_ICON)
         st.stop()
diff --git a/datachad/constants.py b/datachad/constants.py
index 1d275ac..6022321 100644
--- a/datachad/constants.py
+++ b/datachad/constants.py
@@ -21,11 +21,15 @@ GPT4ALL_MODEL_PATH = "models/ggml-gpt4all-j-v1.3-groovy.bin"
 DATA_PATH = Path.cwd() / "data"
 DEFAULT_DATA_SOURCE = "https://github.com/gustavz/DataChad.git"
 
-MODEL_HELP = "Learn more about which models are supported [here](https://github.com/gustavz/DataChad/blob/main/datachad/models.py)"
+MODE_HELP = """
+Choose between `OpenAI` which uses the openai library to make API calls, or `Local` which runs all operations (Embedding, Vector Stor and LLM) locally.\n
+To enable `Local` mode (disabled for the demo) set `ENABLE_LOCAL_MODE` to `True` in `datachad/constants.py` before deploying the app.\n
+Furthermore you need to have the model binaries downloaded and stored inside `./models/`\n
+"""
 
 LOCAL_MODE_DISABLED_HELP = """
 This is a demo hosted with limited resources. Local Mode is not enabled.\n
-To use Local Mode deploy the app on your machine of choice with ENABLE_LOCAL_MODE set to True.
+To use Local Mode deploy the app on your machine of choice with `ENABLE_LOCAL_MODE` set to `True`.
 """
 
 AUTHENTICATION_HELP = f"""
@@ -36,7 +40,7 @@ Feel free to check out [the code base]({PROJECT_URL}) to validate how things wor
 
 USAGE_HELP = f"""
 These are the accumulated OpenAI API usage metrics.\n
-The app uses 'gpt-3.5-turbo' for chat and 'text-embedding-ada-002' for embeddings.\n
+The app uses `gpt-3.5-turbo` for chat and `text-embedding-ada-002` for embeddings.\n
 Learn more about OpenAI's pricing [here](https://openai.com/pricing#language-models)
 """