Fix documentation link in README (#419)

Updated documentation link to point to the learning category.

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 070760b3..da82da32 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 Collaborative Datacenter Simulation and Exploration for Everybody
 
 [![MIT License](https://img.shields.io/badge/License-MIT-green.svg)](/LICENSE.txt)
-[![Documentation](https://img.shields.io/badge/docs-master-green.svg)](https://opendc.org/opendc)
+[![Documentation](https://img.shields.io/badge/docs-master-green.svg)](https://opendc.org/learn/category/documentation)
 [![GitHub release](https://img.shields.io/github/v/release/atlarge-research/opendc?include_prereleases)](https://github.com/atlarge-research/opendc/releases)
 [![Build](https://github.com/atlarge-research/opendc/actions/workflows/build.yml/badge.svg)](https://github.com/atlarge-research/opendc/actions/workflows/build.yml)