diff --git a/01-biogeme-basics.ipynb b/01-biogeme-basics.ipynb
index 8e2ceb7..f3c8ee1 100644
--- a/01-biogeme-basics.ipynb
+++ b/01-biogeme-basics.ipynb
@@ -103,6 +103,7 @@
    "metadata": {},
    "source": [
     "**Use collumn names as variables**"
+    "Before version 3.2.5 `from headers import *` is used. It is then updated in order to comply better with good programming practice in Python."
    ]
   },
   {
@@ -111,7 +112,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from headers import *"
+    globals().update(database.variables)
    ]
   },
   {