diff --git a/notebooks/memos/memo_cdhr.ipynb b/notebooks/memos/memo_cdhr.ipynb
index a07371ff96d24bf4b16f63f478781353cb4bec50..cab604095979ff6aa958d703359f3fd4dacf597d 100644
--- a/notebooks/memos/memo_cdhr.ipynb
+++ b/notebooks/memos/memo_cdhr.ipynb
@@ -5,7 +5,7 @@
    "metadata": {},
    "source": [
     "---\n",
-    "title: \"Contribution Différentielle sur les Hauts Revenus (CDHR)\"\n",
+    "title: \"Contribution différentielle sur les hauts revenus (CDHR)\"\n",
     "execute:\n",
     "  echo: false\n",
     "skip_showdoc: true\n",