Update about-us.md

Author: YangZhou1997

src/content/posts/about-us.md

@@ -14,7 +14,7 @@ coverAlt: About
 author: UCCL Team
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-UCCL (Ultra | Ultimate | Unified Communication Collective Library) is the next-generation AI/ML networking initiative at UC Berkeley's Sky Computing Lab. 
+UCCL (Ultra and Unified Communication Collective Library) is the next-generation AI/ML networking initiative at UC Berkeley's Sky Computing Lab. 
 We envision the next-generation AI/ML networking to have efficient CCL architectures, software-defined ML transport, and inter-vendor operability. 
 
 ### Team