Worked on the Apache Lucene repository to improve the quality of the text analysis pipeline, focusing on Brazilian Portuguese language support. Addressed a bug in the stopwords list by removing a duplicate entry and adding a missing word, which enhanced the accuracy of text analysis and the handling of common conjunctions for PT-BR content. Updated documentation in CHANGES.txt to ensure traceability of the fix. Utilized skills in Natural Language Processing and text analysis, working primarily with text-based data. This targeted update provided a cleaner baseline for PT-BR processing, contributing to improved search relevance for Brazilian Portuguese corpora in Lucene.