diff --git a/docs/DEPLOYMENT.md b/docs/DEPLOYMENT.md
index c5a649ba..e959d504 100644
--- a/docs/DEPLOYMENT.md
+++ b/docs/DEPLOYMENT.md
@@ -252,6 +252,7 @@ git.raddatz.cloud      A   <server IP>
 | `GRAFANA_ADMIN_PASSWORD` | both | Grafana `admin` login — generate a strong password |
 | `GLITCHTIP_SECRET_KEY` | both | Django secret key — `openssl rand -hex 32` |
 | `SENTRY_DSN` | both | GlitchTip project DSN — set after first-run (§4); leave empty to keep Sentry disabled |
+| `VITE_SENTRY_DSN` | both | GlitchTip frontend project DSN — set after first-run (§4); leave empty to keep Sentry disabled |
 
 ### 3.4 First deploy