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@@ -1,2 +1,8 @@
-# usi
+# USI
 Universal Spectrum Identifier for Mass Spectrometry
+
+This repo contains materials relevant to the PSI project to define a unique identifier to reference all proteomics MS spectra generated
+
+# Main USI page at the PSI web site:
+http://www.psidev.info/usi
+