Update README.md

README.md

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 short_description: Root Cause Analysis Community
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-We're a team of professors, researchers, and Ph.D. students passionate about exploring root cause analysis，automatic fault diagnosis, and their real-world applications. Our mission involves introducing large-scale multi-modal datasets and comprehensive benchmarks to facilitate accurate, efficient, and multi-modal root cause analysis research across various domains. 
+We're a group of professors, researchers, and Ph.D. students passionate about exploring root cause analysis，automatic fault diagnosis, and their real-world applications. Our mission involves introducing large-scale multi-modal datasets and comprehensive benchmarks to facilitate accurate, efficient, and multi-modal root cause analysis research across various domains. 
 
 We warmly welcome new members and collaborators!