diff --git a/content/course/modelisation/0_preprocessing.Rmd b/content/course/modelisation/0_preprocessing.Rmd
index c54e55e73..9e8697a13 100644
--- a/content/course/modelisation/0_preprocessing.Rmd
+++ b/content/course/modelisation/0_preprocessing.Rmd
@@ -166,7 +166,7 @@ En l'occurrence, on peut utiliser `plotly` pour tenir compte de la population:
 
 ```{python, include = TRUE, echo=TRUE}
 import plotly
-import plotly.graph_objects as pgo
+import plotly.graph_objects as go
 import pandas as pd
 import geopandas as gpd