diff --git a/notebooks/demo/tutorial_compression_netcdf.ipynb b/notebooks/demo/tutorial_compression_netcdf.ipynb
index fd74dbd44362acae3a0c62ca90411cb794bffc2a..a6c6096acf21cbce72bb3b6144068c70077cd508 100644
--- a/notebooks/demo/tutorial_compression_netcdf.ipynb
+++ b/notebooks/demo/tutorial_compression_netcdf.ipynb
@@ -126,12 +126,22 @@
     "pwd=!pwd\n",
     "pwd=pwd[0]\n",
     "source_uncompressed=f\"{pwd}/temp.nc\"\n",
-    "sds=xr.open_mfdataset(source)\n",
+    "sds=xr.open_mfdataset(source).isel(time=slice(1,13))\n",
     "for var in sds.variables:\n",
     "    sds[var].encoding[\"zlib\"]=False\n",
     "sds.to_netcdf(source_uncompressed)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "6c6bf599-ba32-416f-ad51-1ddb058cbd83",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "sds"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -307,7 +317,7 @@
     "import numcodecs\n",
     "rounding = numcodecs.BitRound(keepbits=16)\n",
     "for var in omon2d.data_vars:\n",
-    "    if var == \"time_bnds\":\n",
+    "    if \"bnds\" in var :\n",
     "        continue\n",
     "    omon2d[var].data=rounding.decode(\n",
     "        rounding.encode(\n",
@@ -375,7 +385,7 @@
     "    source_uncompressed,\n",
     "    engine=\"h5netcdf\",\n",
     "    parallel=False\n",
-    ") "
+    ")"
    ]
   },
   {
@@ -408,7 +418,7 @@
     "        print(keepbits)\n",
     "        if keepbits[var][0] > 0 :\n",
     "            print(keepbits[var][0])\n",
-    "            omon2d[var] = xb.xr_bitround(omon2d[[var]], keepbits+2)[var] # this one wraps around numcodecs.bitround\n",
+    "            omon2d[var] = xb.xr_bitround(omon2d[[var]], keepbits)[var] # this one wraps around numcodecs.bitround\n",
     "bitinfoend=time.time()"
    ]
   },
@@ -490,13 +500,31 @@
    "source": [
     "!rm test_*compression*.nc"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0fd679fe-140a-4ab3-9a09-0349ad6ab821",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!rm temp.nc"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "31141e83-3c2c-4b05-a5ee-d070a9f7d004",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "eerie_io",
+   "display_name": "taucenv",
    "language": "python",
-   "name": "eerie_io"
+   "name": "taucenv"
   },
   "language_info": {
    "codemirror_mode": {
@@ -508,7 +536,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.0"
+   "version": "3.11.4"
   }
  },
  "nbformat": 4,