diff --git a/src/pages/about.py b/src/pages/about.py
index aa5de3a..08cd1a7 100644
--- a/src/pages/about.py
+++ b/src/pages/about.py
@@ -3,7 +3,7 @@ from dash import dcc, html, register_page
 title = "À propos"
 
 register_page(
-    __name__, path="/a-propos", title=f"decp.info - {title}", name=title, order=3
+    __name__, path="/a-propos", title=f"decp.info - {title}", name=title, order=5
 )
 
 layout = [
@@ -22,6 +22,7 @@ Contact :
 - [colin+decp@maudry.com](mailto:colin+decp@maudry.com)
 - BlueSky : [@col1m.bsky.social](https://bsky.app/profile/col1m.bsky.social)
 - Mastodon : [col1m@mamot.fr](https://mamot.fr/@col1m)
+- LinkedIn : [colinmaudry](https://www.linkedin.com/in/colinmaudry/)
 """
             ),
         ],
diff --git a/src/pages/home.py b/src/pages/home.py
index 8aeae18..d507d70 100644
--- a/src/pages/home.py
+++ b/src/pages/home.py
@@ -1,3 +1,4 @@
+import os
 from datetime import datetime
 
 import polars as pl
@@ -17,6 +18,8 @@ from src.utils import (
 load_dotenv()
 
 schema = df.schema
+update_date = os.path.getmtime(os.getenv("DATA_FILE_PARQUET_PATH"))
+update_date = datetime.fromtimestamp(update_date).strftime("%d/%m/%Y")
 df_filtered = pl.DataFrame()
 lf: pl.LazyFrame = df.lazy()
 
@@ -122,6 +125,7 @@ layout = [
                     html.P("lignes", id="nb_rows"),
                     html.Button("Télécharger au format Excel", id="btn-download-data"),
                     dcc.Download(id="download-data"),
+                    html.P("Données mises à jour le " + str(update_date)),
                 ],
                 className="table-menu",
             ),
@@ -183,7 +187,7 @@ def update_table(page_current, page_size, filter_query, data_timestamp):
     lff = numbers_to_strings(lff)
 
     # Tri des marchés par date de notification
-    lff = lff.sort(by=["datePublicationDonnees"], descending=True)
+    lff = lff.sort(by=["datePublicationDonnees"], descending=True, nulls_last=True)
 
     dff: pl.DataFrame = lff.collect()