diff --git a/p2/quest/090225_biber_pca_plot.png b/p2/quest/090225_biber_pca_plot.png
index b0fac34..eee58d5 100644
Binary files a/p2/quest/090225_biber_pca_plot.png and b/p2/quest/090225_biber_pca_plot.png differ
diff --git a/p2/quest/neurobiber-pca.log b/p2/quest/neurobiber-pca.log
index 537ccbb..7bfae6c 100644
--- a/p2/quest/neurobiber-pca.log
+++ b/p2/quest/neurobiber-pca.log
@@ -1,5 +1,5 @@
-starting the job at: Tue Sep  2 15:49:08 CDT 2025
+starting the job at: Tue Sep  2 15:53:08 CDT 2025
 setting up the environment
 running the neurobiber labeling script
 job finished, cleaning up
-job pau at: Tue Sep  2 15:49:52 CDT 2025
+job pau at: Tue Sep  2 15:53:21 CDT 2025
diff --git a/p2/quest/python_scripts/neurobiber_PCA.py b/p2/quest/python_scripts/neurobiber_PCA.py
index ce427fa..06cde33 100644
--- a/p2/quest/python_scripts/neurobiber_PCA.py
+++ b/p2/quest/python_scripts/neurobiber_PCA.py
@@ -24,7 +24,7 @@ if __name__ == "__main__":
         
     #first looking at comment_type
     le = LabelEncoder()
-    colors = le.fit_transform(biber_vec_df['source'])
+    colors = le.fit_transform(biber_vec_df['AuthorWMFAffil'])
 
     plt.scatter(biber_vecs_pca[:, 0], biber_vecs_pca[:, 1],
             c=colors, edgecolor='none', alpha=0.5, cmap="viridis")