Contributed to the PennyLaneAI/qml repository by enhancing the Quantum Phase Estimation (QPE) tutorial, specifically improving the accuracy of the Quantum Fourier Transform (QFT) summation. The work involved adding an explicit upper bound to the summation expression, clarifying the mathematical formulation and increasing the reliability of QPE workflows for users. This feature was implemented using Python and required a solid understanding of algorithm design and quantum computing concepts. The developer demonstrated effective collaboration through co-authored commits and maintained clear commit messaging. The contribution focused on refining educational resources, ensuring that quantum computing tutorials are both precise and accessible for learners.