[doc] Bug Fix: Bumping Ubuntu Version on README
@@ -19,7 +19,7 @@ paper](http://irenezhang.net//papers/demikernel-hotos19.pdf).
Building
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-> **Follow these instructions to build Demikernel on a fresh Ubuntu 18.04 system.**
+> **Follow these instructions to build Demikernel on a fresh Ubuntu 20.04 system.**
**1. Clone This Repository**
```
