This dataset provides how-to articles from wikihow.com and their summaries, written as a coherent paragraph. The dataset itself is available at https://wikisum.s3.amazonaws.com/WikiSumDataset.zip, and contains the article, the summary, the wikihow url, and an official fold (train, val, or test). In addition, human evaluation results are available at https://wikisum.s3.amazonaws.com/HumanEvaluation.zip. It consists of human evaluation of the summary of the Pegasus system, annotators response regarding the difficulty of the task, and words they marked as unknown. To see the full description, please see: Nachshon Cohen, Oren Kalinsky, Yftah Ziser, and Alessandro Moschitti, WikiSum: Coherent Summarization Dataset for Efficient Human-Evaluation, ACL 2021.