diff --git a/dashboard7/main.py b/dashboard7/main.py
index ab8093c..0160417 100644
--- a/dashboard7/main.py
+++ b/dashboard7/main.py
@@ -172,7 +172,7 @@ def update_graph_2(min_value):
     fig.update_layout(template="plotly_white")
     return fig
 
-
+# 7a
 @app.callback(Output("graph_69", "figure"), Input("graph_2", "relayoutData"))
 def update_graph_2(selected_data):
     if selected_data is None or (
@@ -198,6 +198,7 @@ def update_graph_2(selected_data):
     Input("slider_1", "value"),
 )
 def update_graph_3_and_4(selected_data, sliderValue):
+    ## 7b
     # forcing update of x, y and cluster_df with the proper am
     X, y = make_blobs(
         n_samples=100 * sliderValue, centers=sliderValue, n_features=2, random_state=0