[Jan24] fixed issue in query

Author: miriambaglioni

notebooks/beginners_kit.ipynb

@@ -11,7 +11,7 @@
     "\n",
     "The large size of the OpenAIRE Graph is a major impediment for beginners to familiarise with the underlying data model and explore its contents. Working with the Graph in its full size typically requires access to a huge distributed computing infrastructure which cannot be easily accessible to everyone.\n",
     "\n",
-    "The OpenAIRE Beginner’s Kit aims to address this issue. It consists of two components: a subset of the Graph composed of the research products published between `2023-06-30` and `2024-02-28`, all the entities connected to them and the respective relationships, and the present Jupyter notebook that demonstrates how you can use `PySpark` to analyse the Graph and get answers to some interesting research questions."
+    "The OpenAIRE Beginner’s Kit aims to address this issue. It consists of two components: a subset of the Graph composed of the research products published between `2023-06-30` and `2024-02-29`, all the entities connected to them and the respective relationships, and the present Jupyter notebook that demonstrates how you can use `PySpark` to analyse the Graph and get answers to some interesting research questions."
    ]
   },
   {