diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index b2c1f09..acbd09a 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -14,7 +14,7 @@ jobs:
     # ...I merged a PR or pushed on the dev branch, thus deploy to the test env (dev)
     if: |
       (github.event_name == 'workflow_dispatch' && github.ref_name == 'main') ||
-      ((github.event.pull_request.merged == true || github.event.push == true) && github.ref_name == 'dev')
+      ((github.event_name == 'pull_request' || github.event_name == 'push') && github.ref_name == 'dev')
     runs-on: ubuntu-latest
     environment: ${{ github.ref_name }}
     steps:
diff --git a/src/app.py b/src/app.py
index 68ed4cd..7d37f32 100644
--- a/src/app.py
+++ b/src/app.py
@@ -21,18 +21,18 @@ app.index_string = """
             {%renderer%}
         </footer>
         <script type="application/javascript">
-        console.log("Matomo")
-        var _paq = window._paq = window._paq || [];
-        /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
-        _paq.push(['trackPageView']);
-        _paq.push(['enableLinkTracking']);
-        (function() {
-            var u="//analytics.maudry.com/";
-            _paq.push(['setTrackerUrl', u+'matomo.php']);
-            _paq.push(['setSiteId', '14']);
-            var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
-            g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
-        })();
+            console.log("Matomo");
+            var _paq = window._paq = window._paq || [];
+            /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+            _paq.push(['trackPageView']);
+            _paq.push(['enableLinkTracking']);
+            (function() {
+                var u="//analytics.maudry.com/";
+                _paq.push(['setTrackerUrl', u+'matomo.php']);
+                _paq.push(['setSiteId', '14']);
+                var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+                g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+            })();
         </script>
     </body>
 </html>
diff --git a/src/pages/about.py b/src/pages/about.py
index 0eb04f4..e73cc66 100644
--- a/src/pages/about.py
+++ b/src/pages/about.py
@@ -1,4 +1,4 @@
-from dash import register_page, html
+from dash import register_page, html, dcc
 
 title = "À propos"
 
@@ -6,4 +6,24 @@ register_page(
     __name__, path="/a-propos", title=f"decp.info - {title}", name=title, order=3
 )
 
-layout = [html.H2(title)]
+layout = [
+    html.Div(
+        className="container",
+        children=[
+            html.H2(title),
+            dcc.Markdown(
+                """Outil développé par Colin Maudry, sous licence GPL v3 (libre et gratuit).
+
+- [wiki du projet](https://github.com/ColinMaudry/decp-processing/wiki)
+- [code source de decp.info](https://github.com/ColinMaudry/decp.info)
+- [code source du traitement de données](https://github.com/ColinMaudry/decp-processing)
+
+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)
+"""
+            ),
+        ],
+    )
+]
diff --git a/src/pages/home.py b/src/pages/home.py
index 7696f31..00ed52a 100644
--- a/src/pages/home.py
+++ b/src/pages/home.py
@@ -2,11 +2,14 @@ from dash import html, dcc, dash_table, register_page, Input, Output, State, cal
 from dotenv import load_dotenv
 import os
 import polars as pl
-from src.utils import split_filter_part
+from src.utils import split_filter_part, add_annuaire_link
 
 load_dotenv()
 
-df = pl.scan_parquet(os.getenv("DATA_FILE_PARQUET_PATH"))
+df: pl.LazyFrame = pl.scan_parquet(os.getenv("DATA_FILE_PARQUET_PATH"))
+
+# Ajout des liens vers l'annuaire
+df = add_annuaire_link(df)
 
 title = "Tableau"
 register_page(__name__, path="/", title=f"decp.info - {title}", name=title, order=1)
@@ -19,7 +22,10 @@ datatable = dash_table.DataTable(
     page_action="custom",
     filter_action="custom",
     filter_options={"case": "insensitive", "placeholder_text": "Filtrer..."},
-    columns=[{"name": i, "id": i} for i in df.collect_schema().names()],
+    columns=[
+        {"name": i, "id": i, "presentation": "markdown"}
+        for i in df.collect_schema().names()
+    ],
     selected_columns=[],
     selected_rows=[],
     # sort_action="native",
@@ -38,6 +44,7 @@ datatable = dash_table.DataTable(
         },
     ],
     data_timestamp=0,
+    markdown_options={"html": True},
 )
 
 layout = [
diff --git a/src/utils.py b/src/utils.py
index d422ada..a10f729 100644
--- a/src/utils.py
+++ b/src/utils.py
@@ -1,3 +1,5 @@
+import polars as pl
+
 operators = [
     ["s<", "<"],
     ["s>", ">"],
@@ -17,3 +19,26 @@ def split_filter_part(filter_part):
             return name, operator_group[1], value
 
     return [None] * 3
+
+
+def add_annuaire_link(df: pl.LazyFrame):
+    df = df.with_columns(
+        pl.when(pl.col("titulaire_typeIdentifiant") == "SIRET")
+        .then(
+            pl.col("titulaire_id")
+            + f' <a href="https://annuaire-entreprises.data.gouv.fr/etablissement/'
+            + pl.col("titulaire_id")
+            + '" target="_blank">📑</a>'
+        )
+        .otherwise(pl.col("titulaire_id"))
+        .alias("titulaire_id")
+    )
+    df = df.with_columns(
+        (
+            pl.col("acheteur_id")
+            + f' <a href="https://annuaire-entreprises.data.gouv.fr/etablissement/'
+            + pl.col("acheteur_id")
+            + '" target="_blank">📑</a>'
+        ).alias("acheteur_id")
+    )
+    return df