Apply suggestions from code review

Co-authored-by: Anatoly Myachev <anatoliimyachev@mail.com>

Author: Retribution98

examples/tutorial/jupyter/execution/pandas_on_dask/cluster/exercise_5.ipynb

@@ -155,9 +155,9 @@
     "After successful initialization of the cluster, you need to configure it.\n",
     "\n",
     "You can use plugins to install any requirements into workers:\n",
-    "* [InstallPlugin](\"https://distributed.dask.org/en/stable/plugins.html#distributed.diagnostics.plugin.InstallPlugin\")\n",
-    "* [PipInstall](\"https://distributed.dask.org/en/stable/plugins.html#distributed.diagnostics.plugin.PipInstall\")\n",
-    "* [CondaInstall](\"https://distributed.dask.org/en/stable/plugins.html#distributed.diagnostics.plugin.CondaInstall\").\n",
+    "* [InstallPlugin](https://distributed.dask.org/en/stable/plugins.html#distributed.diagnostics.plugin.InstallPlugin)\n",
+    "* [PipInstall](https://distributed.dask.org/en/stable/plugins.html#distributed.diagnostics.plugin.PipInstall)\n",
+    "* [CondaInstall](https://distributed.dask.org/en/stable/plugins.html#distributed.diagnostics.plugin.CondaInstall).\n",
     "\n",
     "You have to install Modin package on each worker using ``PipInstall`` plugin."
    ]