Update README.md

README.md

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 * Research-grade US iNaturalist observations geo-binned/time-binned through 1 March 2025. 
  
 ### Dataset Summary
-*   **Motivation:** To create a spatiotemporally binned co-occurrence matrix of biological taxa based on GBIF observation data, suitable for machine learning tasks like predicting species distributions or analyzing community patterns.
+*   **Motivation:** To create a spatiotemporally binned co-occurrence matrix of biological taxa based on iNaturalist observation data (accessed through GBIF) suitable for machine learning tasks like predicting species distributions or analyzing community patterns.
 *   **Source:** GBIF.org (Global Biodiversity Information Facility) occurrence data, specifically from the dataset with download DOI: https://doi.org/10.15468/dl.wn7arn
 
 *   **Processing:** The raw observation data was processed through several steps: