diff --git a/geneit_app/src/widgets/complex_family_tree/ComplexFamilyTree.tsx b/geneit_app/src/widgets/complex_family_tree/ComplexFamilyTree.tsx
index fad47ef..c948711 100644
--- a/geneit_app/src/widgets/complex_family_tree/ComplexFamilyTree.tsx
+++ b/geneit_app/src/widgets/complex_family_tree/ComplexFamilyTree.tsx
@@ -1,7 +1,7 @@
 import { mdiXml } from "@mdi/js";
 import Icon from "@mdi/react";
 import PictureAsPdfIcon from "@mui/icons-material/PictureAsPdf";
-import { IconButton } from "@mui/material";
+import { IconButton, Tooltip } from "@mui/material";
 import f3, { f3Data } from "family-chart";
 import { jsPDF } from "jspdf";
 import React from "react";
@@ -176,12 +176,16 @@ export function ComplexFamilyTree(p: {
   return (
     <div>
       <div style={{ textAlign: "right" }}>
-        <IconButton onClick={exportPDF}>
-          <PictureAsPdfIcon />
-        </IconButton>
-        <IconButton onClick={exportSVG}>
-          <Icon path={mdiXml} size={1} />
-        </IconButton>
+        <Tooltip title="Exporter le graphique au format PDF">
+          <IconButton onClick={exportPDF}>
+            <PictureAsPdfIcon />
+          </IconButton>
+        </Tooltip>
+        <Tooltip title="Exporter le graphique au format SVG">
+          <IconButton onClick={exportSVG}>
+            <Icon path={mdiXml} size={1} />
+          </IconButton>
+        </Tooltip>
       </div>
       <div
         style={{ width: "100%" }}