diff --git a/demos/python/platformCheck.ipynb b/demos/python/platformCheck.ipynb
index 52730ad..d25a927 100644
--- a/demos/python/platformCheck.ipynb
+++ b/demos/python/platformCheck.ipynb
@@ -96,9 +96,13 @@
     "    from jpype import *\n",
     "    print(\"✅ jpype1 is already installed.\")\n",
     "except ImportError:\n",
-    "    print(\"❌ jpype1 is not installed, installing now.\")\n",
-    "    !pip install --user jpype1\n",
-    "    print(\"Install attempted: if successful, you should restart the kernel and run the notebook again after this.\")"
+    "    print(\"❌ jpype1 is not installed!\")\n",
+    "    # In principle, we could try to install jpype1 for the user as:\n",
+    "    #  !pip install --user jpype1\n",
+    "    # However there are too many complications (e.g. pip-v-pip3, externally managed environments, etc).\n",
+    "    # So we will ask the user to install jpype1 themselves\n",
+    "    print(\"Please use your python package manager (e.g. pip, pip3, homebrew, conda, etc) to install *jpype1* (not jpype).\")\n",
+    "    print(\"Then restart the kernel for this notebook, and run the notebook again.\")"
    ]
   },
   {