diff --git a/docs/Config.md b/docs/Config.md
index 6e4f9d95..d2fa63b7 100644
--- a/docs/Config.md
+++ b/docs/Config.md
@@ -54,6 +54,7 @@ oS:
   openLinkCommand: open {{link}}
 update:
   dockerRefreshInterval: 100ms
+  imageRefreshInterval: 30s
 stats:
   graphs:
   - caption: CPU (%)