⚗️ improve wording

Author: agombert

docs/chapter6/Session_6_1_BERTopic_Topic_Modeling.ipynb

@@ -6974,7 +6974,7 @@
       "source": [
         "## ✅ Conclusion: BERTopic & Custom Topic Modeling Uncovered\n",
         "\n",
-        "In this notebook, we explored two powerful and complementary approaches to topic modeling:\n",
+        "In this notebook, we explored BERTopic approach to topic modeling:\n",
         "\n",
         "---\n",
         "\n",
@@ -7011,6 +7011,11 @@
         "\n",
         "Whether you want speed, control, or insight — this notebook sets the foundation for all three."
       ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": []
     }
   ],
   "metadata": {