diff --git a/docs/sources/setup-grafana/image-rendering/_index.md b/docs/sources/setup-grafana/image-rendering/_index.md
index 40ea9cf221aa..4bbfe70fa857 100644
--- a/docs/sources/setup-grafana/image-rendering/_index.md
+++ b/docs/sources/setup-grafana/image-rendering/_index.md
@@ -459,3 +459,19 @@ Limit the maximum device scale factor that can be requested. Default is `4`.
   }
 }
 ```
+
+#### Page zoom level
+
+The following command sets a page zoom level. The default value is `1`. A value of `1.5` equals 150% zoom.
+
+```bash
+RENDERING_VIEWPORT_PAGE_ZOOM_LEVEL=1
+```
+
+```json
+{
+  "rendering": {
+    "pageZoomLevel": 1
+  }
+}
+```