Fix typo.

Author: thecoder-001

MineColab.ipynb

@@ -181,7 +181,7 @@
  "r = requests.get(url[server_type])\n",
  "\n",
  "if r.status_code is 200:\n",
- " with open('/content/drive/My Drive/Minecraft-server/' jar_name[server_type], 'wb') as f:\n",
+ " with open('/content/drive/My Drive/Minecraft-server/' + jar_name[server_type], 'wb') as f:\n",
  " f.write(r.content)\n",
  "else:\n",
  " print('Error '+ str(r.status_code) + '! Most likely you entered a unsupported version. Try running the code again if you think that shouldn\\'t have happened.')\n",