diff --git a/7_kod.ipynb b/7_kod.ipynb
index 0e31d1a..4911858 100644
--- a/7_kod.ipynb
+++ b/7_kod.ipynb
@@ -2815,7 +2815,7 @@
     "                         cv=10, \n",
     "                         n_jobs=-1)\n",
     "\n",
-    "optimizer.fit(X_train_f, y_train)"
+    "optimizer.fit(X_train_r, y_train)"
    ]
   },
   {