diff --git a/BlenderRender.ipynb b/BlenderRender.ipynb
index d0b0102..312a79e 100644
--- a/BlenderRender.ipynb
+++ b/BlenderRender.ipynb
@@ -18,6 +18,8 @@
       },
       "source": [
         "# Blender Render Script for Colab\n",
+        "_Uses some codes of [BlenderRender](https://urlzs.com/4hkfp) by [aniquetahir](https://urlzs.com/ToHpE)._\n",
+        "\n",
         "Render Blender files online, for free. "
       ]
     },
@@ -151,21 +153,27 @@
         "        raise TypeError(\"No! Please run this in \" + formatting.font.bold + 'Google CoLab' + formatting.clear + '. ')\n",
         "\n",
         "def install(what, isCritical = False):\n",
-        "    info.status('Installing ' + what + ' and all its dependencies…')\n",
-        "    try:\n",
-        "        if what == \"blender\": \n",
-        "            if os.system('apt install blender libboost-all-dev libgl1-mesa-dev -y') > 0: \n",
-        "                if os.system('apt-get install blender libboost-all-dev libgl1-mesa-dev -y') > 0: raise\n",
-        "    except:\n",
-        "        errorMsg = ('Either ' + what + ' and/or its dependencies could not get installed. ')\n",
-        "        if isCritical: \n",
-        "            raise SystemError(errorMsg + 'Unfortunately, this module is required. ')\n",
-        "        else:\n",
-        "            info.err(errorMsg)\n",
+        "    if what == \"required\":\n",
+        "        install(\"blender\", True)\n",
+        "        install(\"libboost-all-dev\")\n",
+        "        install(\"libgl1-mesa-dev\")\n",
+        "    else:\n",
+        "        info.status('Installing ' + what + '…')\n",
+        "        try:\n",
+        "            if os.system('apt install ' + what + ' -y') > 0: \n",
+        "                if os.system('apt-get install ' + what + ' -y') > 0: \n",
+        "                    if os.system('apt install --fix-broken ' + what + ' -y'): raise\n",
+        "        except:\n",
+        "            errorMsg = (what + ' could not get installed. ')\n",
+        "            if isCritical: raise SystemError(errorMsg + 'Unfortunately, this module is required. ')\n",
+        "            else: info.err(errorMsg)\n",
+        "        else: \n",
+        "            os.system('apt clean && apt autoremove -y')\n",
+        "            info.success('Installed '+ what + '.')\n",
         "\n",
         "def main():\n",
         "    check_compatibility()\n",
-        "    install(\"blender\", True)\n",
+        "    install(\"required\")\n",
         "\n",
         "main()"
       ]
@@ -658,6 +666,9 @@
         }
       ],
       "source": [
+        "# Command line arguments from here: https://urlzs.com/MiUkt\n",
+        "# Some explanation here: https://urlzs.com/au5z7\n",
+        "\n",
         "!blender -b $filename -noaudio -o ./test_ -E $renderer -x 1"
       ]
     },