diff --git a/docs/widgets/services/coin-market-cap.md b/docs/widgets/services/coin-market-cap.md
index a62c63f3c..caa6ffc48 100644
--- a/docs/widgets/services/coin-market-cap.md
+++ b/docs/widgets/services/coin-market-cap.md
@@ -13,6 +13,7 @@ widget:
     currency: GBP # Optional
     symbols: [BTC, LTC, ETH]
     key: apikeyapikeyapikeyapikeyapikey
+    defaultinterval: 7d # Optional
 ```
 
 You can also specify slugs instead of symbols (since symbols aren't garaunteed to be unique). If you supply both, slugs will be used. For example: