Fix typos

lod/02_SPARQL_Custom_Endpoint.ipynb

@@ -222,9 +222,7 @@
    "source": [
     "Your task is to design five queries to answer the questions in the description, and run each of them in at least three graphs, other than the `synthetic` graph.\n",
     "\n",
-    "To design the queries, you can either use what you know about the schema.org vocabularies, or explore subjects, predicates and objects in each of the graphs.\n",
-    "\n",
-    "You will get a better understanding if you follow the exploratory path.\n",
+    "To design the queries, what you know about the schema.org vocabularies, or explore subjects, predicates and objects in each of the graphs.\n",
     "\n",
     "Here's an example to get the entities and their types in a graph:"
    ]
@@ -431,7 +429,7 @@
     "## Licence\n",
     "The notebook is freely licensed under under the [Creative Commons Attribution Share-Alike license](https://creativecommons.org/licenses/by/2.0/).  \n",
     "\n",
-    "© 2018 Universidad Politécnica de Madrid."
+    "© Universidad Politécnica de Madrid."
    ]
   }
  ],