Update README.md

Author: ScottCalcalas

README.md

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 # 'XZDBfunction' R Package: Multi-Omices eXplore & Zoom Database Browser
 - User-friendly Shiny-based web platform for [searching, annotating, and exporting](#browser-functions) multi-omics (genomic and proteomic) metadata across multiple datasets.
-- Supporting genomic & protein interaction datasets. 
-- Works on Windows, macOS, and Linux system, the only dependency is R. Easy to launch [instructions](#instructions-to-configure-local-quick-start) available.
+- Build for genomic & protein interaction datasets. 
+- Works on Windows, macOS, and Linux system, the only dependency is R. Supports R package install free. Easy to launch [instructions](#instructions-to-configure-local-quick-start) available.