diff --git a/code/NoSQL_ArangoDB_ejemplo.ipynb b/code/NoSQL_ArangoDB_ejemplo.ipynb
index 713f085..96c3b34 100644
--- a/code/NoSQL_ArangoDB_ejemplo.ipynb
+++ b/code/NoSQL_ArangoDB_ejemplo.ipynb
@@ -312,27 +312,6 @@
         " print(doc)"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "khbGt6zud50q"
-      },
-      "source": [
-        "The document features the four attributes we stored, plus three more added by the database system. Each document needs a unique `_key`, which identifies it within a collection. The `_id` is a computed property, a concatenation of the collection name, a forward slash `/` and the document key. It uniquely identies a document within a database. `_rev` is a revision ID managed by the system. Older revisions of a document cannot be accessed.\n",
-        "Document keys can be provided by the user upon document creation, or a unique value is assigned automatically. It can not be changed later. All three system attributes starting with an underscore `_` are read-only."
-      ]
-    },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "b9WJ-CDrd50q"
-      },
-      "source": [
-        "Next, let us add some more characters. The `LET` keyword defines a variable with name data and an array of objects as value, so `LET variableName = valueExpression` and the expression being a literal array definition like `[ {...}, {...}, ... ]`.\n",
-        "\n",
-        "`FOR variableName IN expression` is used to iterate over each element of the data array. In each loop, one element is assigned to the variable `d`. This variable is then used in the `INSERT` statement instead of a literal object definition. What is does is basically:"
-      ]
-    },
     {
       "cell_type": "code",
       "execution_count": 11,
@@ -409,15 +388,6 @@
         "aql.execute(insert_query)"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "7yaBXHLPd50r"
-      },
-      "source": [
-        "As before let us check the `Characters` collection, but this time only return each characters name:"
-      ]
-    },
     {
       "cell_type": "code",
       "execution_count": 20,
@@ -759,15 +729,6 @@
         "    print(doc)"
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "XRHqd22qd50v"
-      },
-      "source": [
-        "Note, that here we customized the `RETURN` to return a json document consisting of name and season."
-      ]
-    },
     {
       "cell_type": "markdown",
       "metadata": {
@@ -1403,15 +1364,6 @@
         }
       ]
     },
-    {
-      "cell_type": "markdown",
-      "metadata": {
-        "id": "L2moBhHpd50w"
-      },
-      "source": [
-        "* https://www.arangodb.com/docs/stable/aql/tutorial.html"
-      ]
-    },
     {
       "cell_type": "code",
       "source": [
@@ -1530,6 +1482,15 @@
           ]
         }
       ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "L2moBhHpd50w"
+      },
+      "source": [
+        "* https://www.arangodb.com/docs/stable/aql/tutorial.html"
+      ]
     }
   ],
   "metadata": {