Merge pull request #118 from UA-Libraries-Research-Data-Services/aryandande-patch-25

Update casc.ipynb

Author: aryandande

src/python/casc.ipynb

@@ -22,7 +22,7 @@
         "- Terms\n",
         "  - <a href=\"https://www.cas.org/legal\" target=\"_blank\">CAS Policies</a>\n",
         "- Data Reuse\n",
-        "  - CAS Common Chemistry is provided under the <a href=\"https://creativecommons.org/licenses/by-nc/4.0/" target=\"_blank\">Creative Commons CC BY-NC 4.0 license</a>\n",
+        "  - CAS Common Chemistry is provided under the <a href=\"https://creativecommons.org/licenses/by-nc/4.0/\" target=\"_blank\">Creative Commons CC BY-NC 4.0 license</a>\n",
         "\n",
         "_**NOTE:**_ The CAS Common Chemistry API limits requests to a maximum of 50 results per page.\n",
         "\n",