diff --git a/README.md b/README.md
index 61b75e3..7fb82e6 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,19 @@ rpm-ostree status
 
 ## Emergency fallback
 
+### booting previous deployment
+
+1. Boot into the last booted deployment before the currently booted deployment, and make it your default deployment
+
+```bash
+rpm-ostree rollback
+```
+2. Make a specific deployment your default deployment, 0 is the deployment index
+
+```bash
+ostree admin set-default 0
+```
+
 ### falling back to any previous commit of the system branch
 
 1. Download last 5 commits (parameter `--commit-metadata-only` is optional but makes things faster)