fix typos in namelist exercises

Author: cecilehannay

notebooks/namelist/exercises/exercise_cam_output.ipynb

@@ -103,8 +103,8 @@
    ]
   },
   {
-   "cell_type": "raw",
-   "id": "af9c8cfa-0fe0-4701-a9ce-580079309619",
+   "cell_type": "markdown",
+   "id": "91dedb20-dad8-40ef-ba50-66adcbafa60c",
    "metadata": {},
    "source": [
     "\n",

notebooks/namelist/output/output_cam.ipynb

@@ -101,7 +101,7 @@
     "\n",
     "Modify the length of the run in `env_run.xml` with the command:\n",
     "```    \n",
-    "    ./xmlchange STOP_N=nmonths, STOP_OPTION=1\n",
+    "    ./xmlchange STOP_OPTION=nmonths,STOP_N=1\n",
     "```\n",
     "\n",
     "Add the following line to `user_nl_cam` to output 3 hourly data and to create one file per day:\n",
@@ -245,7 +245,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.12"
+   "version": "3.10.13"
   }
  },
  "nbformat": 4,