[doc] Bug Fix: Outdated Ubuntu Version
@@ -21,7 +21,7 @@ To get details about the system, read our paper in [SOSP '21](https://doi.org/10
## Building
-> **Follow these instructions to build Demikernel on a fresh Ubuntu 20.04 system.**
+> **Follow these instructions to build Demikernel on a fresh Ubuntu 22.04 system.**
### 1. Clone This Repository
